Home / 1,887,374.80-2,604,484.26-1,071,471.42

Finding the Fourth Proportional to 1,887,374.80, 2,604,484.26 and 1,071,471.42

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Solution

The fourth proportional to 1,887,374.80, 2,604,484.26 and 1,071,471.42 is: 1,478,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,374.80 : 2,604,484.26 = 1,071,471.42 : x
  2. Step 2: Convert to fraction form
    1,887,374.80/2,604,484.26 = 1,071,471.42/x
  3. Step 3: Cross multiply
    1,887,374.80x = 2,604,484.26 × 1,071,471.42
  4. Step 4: Simplify right side
    1,887,374.80x = 2,790,630,448,429.85
  5. Step 5: Solve for x
    x = 2,790,630,448,429.85/1,887,374.80
  6. Step 6: Final answer
    x = 1,478,577.78

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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.