Home / 5,678,458.60-8,517,687.90-4,077,639.40

Finding the Fourth Proportional to 5,678,458.60, 8,517,687.90 and 4,077,639.40

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Solution

The fourth proportional to 5,678,458.60, 8,517,687.90 and 4,077,639.40 is: 6,116,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,458.60 : 8,517,687.90 = 4,077,639.40 : x
  2. Step 2: Convert to fraction form
    5,678,458.60/8,517,687.90 = 4,077,639.40/x
  3. Step 3: Cross multiply
    5,678,458.60x = 8,517,687.90 × 4,077,639.40
  4. Step 4: Simplify right side
    5,678,458.60x = 34,732,059,777,943.26
  5. Step 5: Solve for x
    x = 34,732,059,777,943.26/5,678,458.60
  6. Step 6: Final answer
    x = 6,116,459.10

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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.