Home / 5,689,631.54-7,851,688.12-3,111,312.31

Finding the Fourth Proportional to 5,689,631.54, 7,851,688.12 and 3,111,312.31

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Solution

The fourth proportional to 5,689,631.54, 7,851,688.12 and 3,111,312.31 is: 4,293,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689,631.54 : 7,851,688.12 = 3,111,312.31 : x
  2. Step 2: Convert to fraction form
    5,689,631.54/7,851,688.12 = 3,111,312.31/x
  3. Step 3: Cross multiply
    5,689,631.54x = 7,851,688.12 × 3,111,312.31
  4. Step 4: Simplify right side
    5,689,631.54x = 24,429,053,930,462.42
  5. Step 5: Solve for x
    x = 24,429,053,930,462.42/5,689,631.54
  6. Step 6: Final answer
    x = 4,293,609.13

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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.