Home / 1,600,372.80-2,208,723.36-921,337.92

Finding the Fourth Proportional to 1,600,372.80, 2,208,723.36 and 921,337.92

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Solution

The fourth proportional to 1,600,372.80, 2,208,723.36 and 921,337.92 is: 1,271,566.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,372.80 : 2,208,723.36 = 921,337.92 : x
  2. Step 2: Convert to fraction form
    1,600,372.80/2,208,723.36 = 921,337.92/x
  3. Step 3: Cross multiply
    1,600,372.80x = 2,208,723.36 × 921,337.92
  4. Step 4: Simplify right side
    1,600,372.80x = 2,034,980,586,357.81
  5. Step 5: Solve for x
    x = 2,034,980,586,357.81/1,600,372.80
  6. Step 6: Final answer
    x = 1,271,566.59

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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.