Home / 2,172,156.48-2,997,719.19-1,254,424.14

Finding the Fourth Proportional to 2,172,156.48, 2,997,719.19 and 1,254,424.14

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Solution

The fourth proportional to 2,172,156.48, 2,997,719.19 and 1,254,424.14 is: 1,731,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,156.48 : 2,997,719.19 = 1,254,424.14 : x
  2. Step 2: Convert to fraction form
    2,172,156.48/2,997,719.19 = 1,254,424.14/x
  3. Step 3: Cross multiply
    2,172,156.48x = 2,997,719.19 × 1,254,424.14
  4. Step 4: Simplify right side
    2,172,156.48x = 3,760,411,316,877.25
  5. Step 5: Solve for x
    x = 3,760,411,316,877.25/2,172,156.48
  6. Step 6: Final answer
    x = 1,731,188.04

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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.