Home / 5,265,111.20-7,897,666.80-1,478,717.60

Finding the Fourth Proportional to 5,265,111.20, 7,897,666.80 and 1,478,717.60

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Solution

The fourth proportional to 5,265,111.20, 7,897,666.80 and 1,478,717.60 is: 2,218,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,111.20 : 7,897,666.80 = 1,478,717.60 : x
  2. Step 2: Convert to fraction form
    5,265,111.20/7,897,666.80 = 1,478,717.60/x
  3. Step 3: Cross multiply
    5,265,111.20x = 7,897,666.80 × 1,478,717.60
  4. Step 4: Simplify right side
    5,265,111.20x = 11,678,418,896,095.68
  5. Step 5: Solve for x
    x = 11,678,418,896,095.68/5,265,111.20
  6. Step 6: Final answer
    x = 2,218,076.40

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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.