Home / 2,657,156.81-3,986,367.93-860,040.59

Finding the Fourth Proportional to 2,657,156.81, 3,986,367.93 and 860,040.59

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Solution

The fourth proportional to 2,657,156.81, 3,986,367.93 and 860,040.59 is: 1,290,265.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,156.81 : 3,986,367.93 = 860,040.59 : x
  2. Step 2: Convert to fraction form
    2,657,156.81/3,986,367.93 = 860,040.59/x
  3. Step 3: Cross multiply
    2,657,156.81x = 3,986,367.93 × 860,040.59
  4. Step 4: Simplify right side
    2,657,156.81x = 3,428,438,226,474.28
  5. Step 5: Solve for x
    x = 3,428,438,226,474.28/2,657,156.81
  6. Step 6: Final answer
    x = 1,290,265.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.