Home / 5,387,996.80-7,437,860.40-3,553,543.36

Finding the Fourth Proportional to 5,387,996.80, 7,437,860.40 and 3,553,543.36

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Solution

The fourth proportional to 5,387,996.80, 7,437,860.40 and 3,553,543.36 is: 4,905,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387,996.80 : 7,437,860.40 = 3,553,543.36 : x
  2. Step 2: Convert to fraction form
    5,387,996.80/7,437,860.40 = 3,553,543.36/x
  3. Step 3: Cross multiply
    5,387,996.80x = 7,437,860.40 × 3,553,543.36
  4. Step 4: Simplify right side
    5,387,996.80x = 26,430,759,437,026.95
  5. Step 5: Solve for x
    x = 26,430,759,437,026.95/5,387,996.80
  6. Step 6: Final answer
    x = 4,905,489.07

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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.