Home / 6,518,931.60-9,781,896.60-2,732,797.20

Finding the Fourth Proportional to 6,518,931.60, 9,781,896.60 and 2,732,797.20

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Solution

The fourth proportional to 6,518,931.60, 9,781,896.60 and 2,732,797.20 is: 4,100,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518,931.60 : 9,781,896.60 = 2,732,797.20 : x
  2. Step 2: Convert to fraction form
    6,518,931.60/9,781,896.60 = 2,732,797.20/x
  3. Step 3: Cross multiply
    6,518,931.60x = 9,781,896.60 × 2,732,797.20
  4. Step 4: Simplify right side
    6,518,931.60x = 26,731,939,639,169.52
  5. Step 5: Solve for x
    x = 26,731,939,639,169.52/6,518,931.60
  6. Step 6: Final answer
    x = 4,100,662.70

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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.