Home / 3,413,920.80-4,711,175.28-1,885,928.16

Finding the Fourth Proportional to 3,413,920.80, 4,711,175.28 and 1,885,928.16

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Solution

The fourth proportional to 3,413,920.80, 4,711,175.28 and 1,885,928.16 is: 2,602,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,920.80 : 4,711,175.28 = 1,885,928.16 : x
  2. Step 2: Convert to fraction form
    3,413,920.80/4,711,175.28 = 1,885,928.16/x
  3. Step 3: Cross multiply
    3,413,920.80x = 4,711,175.28 × 1,885,928.16
  4. Step 4: Simplify right side
    3,413,920.80x = 8,884,938,127,247.89
  5. Step 5: Solve for x
    x = 8,884,938,127,247.89/3,413,920.80
  6. Step 6: Final answer
    x = 2,602,561.29

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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.