Home / 2,291,878.29-3,162,606.87-1,325,070.90

Finding the Fourth Proportional to 2,291,878.29, 3,162,606.87 and 1,325,070.90

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Solution

The fourth proportional to 2,291,878.29, 3,162,606.87 and 1,325,070.90 is: 1,828,490.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291,878.29 : 3,162,606.87 = 1,325,070.90 : x
  2. Step 2: Convert to fraction form
    2,291,878.29/3,162,606.87 = 1,325,070.90/x
  3. Step 3: Cross multiply
    2,291,878.29x = 3,162,606.87 × 1,325,070.90
  4. Step 4: Simplify right side
    2,291,878.29x = 4,190,678,331,577.08
  5. Step 5: Solve for x
    x = 4,190,678,331,577.08/2,291,878.29
  6. Step 6: Final answer
    x = 1,828,490.78

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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.