Home / 1,587,220.95-2,190,371.16-862,080.77

Finding the Fourth Proportional to 1,587,220.95, 2,190,371.16 and 862,080.77

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Solution

The fourth proportional to 1,587,220.95, 2,190,371.16 and 862,080.77 is: 1,189,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,220.95 : 2,190,371.16 = 862,080.77 : x
  2. Step 2: Convert to fraction form
    1,587,220.95/2,190,371.16 = 862,080.77/x
  3. Step 3: Cross multiply
    1,587,220.95x = 2,190,371.16 × 862,080.77
  4. Step 4: Simplify right side
    1,587,220.95x = 1,888,276,845,246.74
  5. Step 5: Solve for x
    x = 1,888,276,845,246.74/1,587,220.95
  6. Step 6: Final answer
    x = 1,189,674.85

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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.