Home / 1,920,658.64-2,650,503.47-1,061,212.77

Finding the Fourth Proportional to 1,920,658.64, 2,650,503.47 and 1,061,212.77

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Solution

The fourth proportional to 1,920,658.64, 2,650,503.47 and 1,061,212.77 is: 1,464,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,658.64 : 2,650,503.47 = 1,061,212.77 : x
  2. Step 2: Convert to fraction form
    1,920,658.64/2,650,503.47 = 1,061,212.77/x
  3. Step 3: Cross multiply
    1,920,658.64x = 2,650,503.47 × 1,061,212.77
  4. Step 4: Simplify right side
    1,920,658.64x = 2,812,748,123,987.25
  5. Step 5: Solve for x
    x = 2,812,748,123,987.25/1,920,658.64
  6. Step 6: Final answer
    x = 1,464,470.61

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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.