Home / 5,390,436.90-8,085,655.35-2,695,178.10

Finding the Fourth Proportional to 5,390,436.90, 8,085,655.35 and 2,695,178.10

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Solution

The fourth proportional to 5,390,436.90, 8,085,655.35 and 2,695,178.10 is: 4,042,767.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,436.90 : 8,085,655.35 = 2,695,178.10 : x
  2. Step 2: Convert to fraction form
    5,390,436.90/8,085,655.35 = 2,695,178.10/x
  3. Step 3: Cross multiply
    5,390,436.90x = 8,085,655.35 × 2,695,178.10
  4. Step 4: Simplify right side
    5,390,436.90x = 21,792,281,223,467.84
  5. Step 5: Solve for x
    x = 21,792,281,223,467.84/5,390,436.90
  6. Step 6: Final answer
    x = 4,042,767.15

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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.