Home / 1,575,376.22-2,173,143.80-1,032,387.86

Finding the Fourth Proportional to 1,575,376.22, 2,173,143.80 and 1,032,387.86

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Solution

The fourth proportional to 1,575,376.22, 2,173,143.80 and 1,032,387.86 is: 1,424,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,376.22 : 2,173,143.80 = 1,032,387.86 : x
  2. Step 2: Convert to fraction form
    1,575,376.22/2,173,143.80 = 1,032,387.86/x
  3. Step 3: Cross multiply
    1,575,376.22x = 2,173,143.80 × 1,032,387.86
  4. Step 4: Simplify right side
    1,575,376.22x = 2,243,527,277,154.27
  5. Step 5: Solve for x
    x = 2,243,527,277,154.27/1,575,376.22
  6. Step 6: Final answer
    x = 1,424,121.58

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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.