Home / 4,386,405.80-6,579,608.70-4,218,444.20

Finding the Fourth Proportional to 4,386,405.80, 6,579,608.70 and 4,218,444.20

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Solution

The fourth proportional to 4,386,405.80, 6,579,608.70 and 4,218,444.20 is: 6,327,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386,405.80 : 6,579,608.70 = 4,218,444.20 : x
  2. Step 2: Convert to fraction form
    4,386,405.80/6,579,608.70 = 4,218,444.20/x
  3. Step 3: Cross multiply
    4,386,405.80x = 6,579,608.70 × 4,218,444.20
  4. Step 4: Simplify right side
    4,386,405.80x = 27,755,712,158,784.54
  5. Step 5: Solve for x
    x = 27,755,712,158,784.54/4,386,405.80
  6. Step 6: Final answer
    x = 6,327,666.30

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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.