Home / 2,149,865.86-2,968,038.58-1,425,691.24

Finding the Fourth Proportional to 2,149,865.86, 2,968,038.58 and 1,425,691.24

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Solution

The fourth proportional to 2,149,865.86, 2,968,038.58 and 1,425,691.24 is: 1,968,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149,865.86 : 2,968,038.58 = 1,425,691.24 : x
  2. Step 2: Convert to fraction form
    2,149,865.86/2,968,038.58 = 1,425,691.24/x
  3. Step 3: Cross multiply
    2,149,865.86x = 2,968,038.58 × 1,425,691.24
  4. Step 4: Simplify right side
    2,149,865.86x = 4,231,506,603,488.04
  5. Step 5: Solve for x
    x = 4,231,506,603,488.04/2,149,865.86
  6. Step 6: Final answer
    x = 1,968,265.41

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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.