Home / 3,938,471.06-5,435,014.29-2,219,557.10

Finding the Fourth Proportional to 3,938,471.06, 5,435,014.29 and 2,219,557.10

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Solution

The fourth proportional to 3,938,471.06, 5,435,014.29 and 2,219,557.10 is: 3,062,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,471.06 : 5,435,014.29 = 2,219,557.10 : x
  2. Step 2: Convert to fraction form
    3,938,471.06/5,435,014.29 = 2,219,557.10/x
  3. Step 3: Cross multiply
    3,938,471.06x = 5,435,014.29 × 2,219,557.10
  4. Step 4: Simplify right side
    3,938,471.06x = 12,063,324,555,970.96
  5. Step 5: Solve for x
    x = 12,063,324,555,970.96/3,938,471.06
  6. Step 6: Final answer
    x = 3,062,946.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.