Home / 3,119,204.60-4,678,806.90-875,342.60

Finding the Fourth Proportional to 3,119,204.60, 4,678,806.90 and 875,342.60

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Solution

The fourth proportional to 3,119,204.60, 4,678,806.90 and 875,342.60 is: 1,313,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,204.60 : 4,678,806.90 = 875,342.60 : x
  2. Step 2: Convert to fraction form
    3,119,204.60/4,678,806.90 = 875,342.60/x
  3. Step 3: Cross multiply
    3,119,204.60x = 4,678,806.90 × 875,342.60
  4. Step 4: Simplify right side
    3,119,204.60x = 4,095,558,996,743.94
  5. Step 5: Solve for x
    x = 4,095,558,996,743.94/3,119,204.60
  6. Step 6: Final answer
    x = 1,313,013.90

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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.