Home / 4,897,399.40-7,347,135.90-1,485,405.80

Finding the Fourth Proportional to 4,897,399.40, 7,347,135.90 and 1,485,405.80

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Solution

The fourth proportional to 4,897,399.40, 7,347,135.90 and 1,485,405.80 is: 2,228,423.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897,399.40 : 7,347,135.90 = 1,485,405.80 : x
  2. Step 2: Convert to fraction form
    4,897,399.40/7,347,135.90 = 1,485,405.80/x
  3. Step 3: Cross multiply
    4,897,399.40x = 7,347,135.90 × 1,485,405.80
  4. Step 4: Simplify right side
    4,897,399.40x = 10,913,478,279,248.22
  5. Step 5: Solve for x
    x = 10,913,478,279,248.22/4,897,399.40
  6. Step 6: Final answer
    x = 2,228,423.17

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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.