Home / 4,678,959.60-7,018,439.40-2,875,996.80

Finding the Fourth Proportional to 4,678,959.60, 7,018,439.40 and 2,875,996.80

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Solution

The fourth proportional to 4,678,959.60, 7,018,439.40 and 2,875,996.80 is: 4,313,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678,959.60 : 7,018,439.40 = 2,875,996.80 : x
  2. Step 2: Convert to fraction form
    4,678,959.60/7,018,439.40 = 2,875,996.80/x
  3. Step 3: Cross multiply
    4,678,959.60x = 7,018,439.40 × 2,875,996.80
  4. Step 4: Simplify right side
    4,678,959.60x = 20,185,009,255,393.92
  5. Step 5: Solve for x
    x = 20,185,009,255,393.92/4,678,959.60
  6. Step 6: Final answer
    x = 4,313,995.20

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Similar ratio
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1.5x scale

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.