Home / 1,539,817.50-2,124,961.91-851,535.66

Finding the Fourth Proportional to 1,539,817.50, 2,124,961.91 and 851,535.66

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Solution

The fourth proportional to 1,539,817.50, 2,124,961.91 and 851,535.66 is: 1,175,126.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,817.50 : 2,124,961.91 = 851,535.66 : x
  2. Step 2: Convert to fraction form
    1,539,817.50/2,124,961.91 = 851,535.66/x
  3. Step 3: Cross multiply
    1,539,817.50x = 2,124,961.91 × 851,535.66
  4. Step 4: Simplify right side
    1,539,817.50x = 1,809,480,842,506.71
  5. Step 5: Solve for x
    x = 1,809,480,842,506.71/1,539,817.50
  6. Step 6: Final answer
    x = 1,175,126.82

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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.