Home / 3,146,345.88-4,339,490.58-2,153,502.18

Finding the Fourth Proportional to 3,146,345.88, 4,339,490.58 and 2,153,502.18

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Solution

The fourth proportional to 3,146,345.88, 4,339,490.58 and 2,153,502.18 is: 2,970,144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,345.88 : 4,339,490.58 = 2,153,502.18 : x
  2. Step 2: Convert to fraction form
    3,146,345.88/4,339,490.58 = 2,153,502.18/x
  3. Step 3: Cross multiply
    3,146,345.88x = 4,339,490.58 × 2,153,502.18
  4. Step 4: Simplify right side
    3,146,345.88x = 9,345,102,424,119.47
  5. Step 5: Solve for x
    x = 9,345,102,424,119.47/3,146,345.88
  6. Step 6: Final answer
    x = 2,970,144.66

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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.