Home / 2,124,463.92-3,187,637.70-1,113,345.47

Finding the Fourth Proportional to 2,124,463.92, 3,187,637.70 and 1,113,345.47

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Solution

The fourth proportional to 2,124,463.92, 3,187,637.70 and 1,113,345.47 is: 1,670,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,463.92 : 3,187,637.70 = 1,113,345.47 : x
  2. Step 2: Convert to fraction form
    2,124,463.92/3,187,637.70 = 1,113,345.47/x
  3. Step 3: Cross multiply
    2,124,463.92x = 3,187,637.70 × 1,113,345.47
  4. Step 4: Simplify right side
    2,124,463.92x = 3,548,941,977,358.03
  5. Step 5: Solve for x
    x = 3,548,941,977,358.03/2,124,463.92
  6. Step 6: Final answer
    x = 1,670,511.77

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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.