Home / 1,929,349.76-2,659,434.88-1,520,789.12

Finding the Fourth Proportional to 1,929,349.76, 2,659,434.88 and 1,520,789.12

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Solution

The fourth proportional to 1,929,349.76, 2,659,434.88 and 1,520,789.12 is: 2,096,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,349.76 : 2,659,434.88 = 1,520,789.12 : x
  2. Step 2: Convert to fraction form
    1,929,349.76/2,659,434.88 = 1,520,789.12/x
  3. Step 3: Cross multiply
    1,929,349.76x = 2,659,434.88 × 1,520,789.12
  4. Step 4: Simplify right side
    1,929,349.76x = 4,044,439,630,852.51
  5. Step 5: Solve for x
    x = 4,044,439,630,852.51/1,929,349.76
  6. Step 6: Final answer
    x = 2,096,270.83

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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.