Home / 5,190,073.58-7,785,322.47-1,780,704.62

Finding the Fourth Proportional to 5,190,073.58, 7,785,322.47 and 1,780,704.62

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Solution

The fourth proportional to 5,190,073.58, 7,785,322.47 and 1,780,704.62 is: 2,671,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190,073.58 : 7,785,322.47 = 1,780,704.62 : x
  2. Step 2: Convert to fraction form
    5,190,073.58/7,785,322.47 = 1,780,704.62/x
  3. Step 3: Cross multiply
    5,190,073.58x = 7,785,322.47 × 1,780,704.62
  4. Step 4: Simplify right side
    5,190,073.58x = 13,863,359,690,518.81
  5. Step 5: Solve for x
    x = 13,863,359,690,518.81/5,190,073.58
  6. Step 6: Final answer
    x = 2,671,129.70

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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.