Home / 4,680,479.40-7,020,719.10-3,924,652.20

Finding the Fourth Proportional to 4,680,479.40, 7,020,719.10 and 3,924,652.20

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Solution

The fourth proportional to 4,680,479.40, 7,020,719.10 and 3,924,652.20 is: 5,886,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680,479.40 : 7,020,719.10 = 3,924,652.20 : x
  2. Step 2: Convert to fraction form
    4,680,479.40/7,020,719.10 = 3,924,652.20/x
  3. Step 3: Cross multiply
    4,680,479.40x = 7,020,719.10 × 3,924,652.20
  4. Step 4: Simplify right side
    4,680,479.40x = 27,553,880,661,397.02
  5. Step 5: Solve for x
    x = 27,553,880,661,397.02/4,680,479.40
  6. Step 6: Final answer
    x = 5,886,978.30

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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.