Home / 3,157,935.50-4,357,686.12-1,868,549.96

Finding the Fourth Proportional to 3,157,935.50, 4,357,686.12 and 1,868,549.96

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Solution

The fourth proportional to 3,157,935.50, 4,357,686.12 and 1,868,549.96 is: 2,578,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,935.50 : 4,357,686.12 = 1,868,549.96 : x
  2. Step 2: Convert to fraction form
    3,157,935.50/4,357,686.12 = 1,868,549.96/x
  3. Step 3: Cross multiply
    3,157,935.50x = 4,357,686.12 × 1,868,549.96
  4. Step 4: Simplify right side
    3,157,935.50x = 8,142,554,225,218.56
  5. Step 5: Solve for x
    x = 8,142,554,225,218.56/3,157,935.50
  6. Step 6: Final answer
    x = 2,578,442.22

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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.