Home / 3,119,206.10-4,678,809.15-875,344.10

Finding the Fourth Proportional to 3,119,206.10, 4,678,809.15 and 875,344.10

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Solution

The fourth proportional to 3,119,206.10, 4,678,809.15 and 875,344.10 is: 1,313,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,206.10 : 4,678,809.15 = 875,344.10 : x
  2. Step 2: Convert to fraction form
    3,119,206.10/4,678,809.15 = 875,344.10/x
  3. Step 3: Cross multiply
    3,119,206.10x = 4,678,809.15 × 875,344.10
  4. Step 4: Simplify right side
    3,119,206.10x = 4,095,567,984,478.52
  5. Step 5: Solve for x
    x = 4,095,567,984,478.52/3,119,206.10
  6. Step 6: Final answer
    x = 1,313,016.15

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.