Home / 6,423,430-8,864,333.40-3,561,862

Finding the Fourth Proportional to 6,423,430, 8,864,333.40 and 3,561,862

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Solution

The fourth proportional to 6,423,430, 8,864,333.40 and 3,561,862 is: 4,915,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423,430 : 8,864,333.40 = 3,561,862 : x
  2. Step 2: Convert to fraction form
    6,423,430/8,864,333.40 = 3,561,862/x
  3. Step 3: Cross multiply
    6,423,430x = 8,864,333.40 × 3,561,862
  4. Step 4: Simplify right side
    6,423,430x = 31,573,532,292,790.80
  5. Step 5: Solve for x
    x = 31,573,532,292,790.80/6,423,430
  6. Step 6: Final answer
    x = 4,915,369.56

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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.