Home / 1,609,773.15-2,220,561.88-1,005,111.39

Finding the Fourth Proportional to 1,609,773.15, 2,220,561.88 and 1,005,111.39

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Solution

The fourth proportional to 1,609,773.15, 2,220,561.88 and 1,005,111.39 is: 1,386,476.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,773.15 : 2,220,561.88 = 1,005,111.39 : x
  2. Step 2: Convert to fraction form
    1,609,773.15/2,220,561.88 = 1,005,111.39/x
  3. Step 3: Cross multiply
    1,609,773.15x = 2,220,561.88 × 1,005,111.39
  4. Step 4: Simplify right side
    1,609,773.15x = 2,231,912,037,787.81
  5. Step 5: Solve for x
    x = 2,231,912,037,787.81/1,609,773.15
  6. Step 6: Final answer
    x = 1,386,476.12

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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.