Home / 1,536,221.24-2,119,984-857,157.76

Finding the Fourth Proportional to 1,536,221.24, 2,119,984 and 857,157.76

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Solution

The fourth proportional to 1,536,221.24, 2,119,984 and 857,157.76 is: 1,182,876.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,221.24 : 2,119,984 = 857,157.76 : x
  2. Step 2: Convert to fraction form
    1,536,221.24/2,119,984 = 857,157.76/x
  3. Step 3: Cross multiply
    1,536,221.24x = 2,119,984 × 857,157.76
  4. Step 4: Simplify right side
    1,536,221.24x = 1,817,160,736,675.84
  5. Step 5: Solve for x
    x = 1,817,160,736,675.84/1,536,221.24
  6. Step 6: Final answer
    x = 1,182,876.98

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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.