Home / 2,996,292.72-4,134,901.32-1,638,165.72

Finding the Fourth Proportional to 2,996,292.72, 4,134,901.32 and 1,638,165.72

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Solution

The fourth proportional to 2,996,292.72, 4,134,901.32 and 1,638,165.72 is: 2,260,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,292.72 : 4,134,901.32 = 1,638,165.72 : x
  2. Step 2: Convert to fraction form
    2,996,292.72/4,134,901.32 = 1,638,165.72/x
  3. Step 3: Cross multiply
    2,996,292.72x = 4,134,901.32 × 1,638,165.72
  4. Step 4: Simplify right side
    2,996,292.72x = 6,773,653,598,006.75
  5. Step 5: Solve for x
    x = 6,773,653,598,006.75/2,996,292.72
  6. Step 6: Final answer
    x = 2,260,678.19

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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.