Home / 1,431,013.92-2,142,977.91-1,051,033.59

Finding the Fourth Proportional to 1,431,013.92, 2,142,977.91 and 1,051,033.59

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Solution

The fourth proportional to 1,431,013.92, 2,142,977.91 and 1,051,033.59 is: 1,573,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,013.92 : 2,142,977.91 = 1,051,033.59 : x
  2. Step 2: Convert to fraction form
    1,431,013.92/2,142,977.91 = 1,051,033.59/x
  3. Step 3: Cross multiply
    1,431,013.92x = 2,142,977.91 × 1,051,033.59
  4. Step 4: Simplify right side
    1,431,013.92x = 2,252,341,766,038.00
  5. Step 5: Solve for x
    x = 2,252,341,766,038.00/1,431,013.92
  6. Step 6: Final answer
    x = 1,573,948.19

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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.