Home / 2,657,628.34-3,987,077.58-860,513.74

Finding the Fourth Proportional to 2,657,628.34, 3,987,077.58 and 860,513.74

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Solution

The fourth proportional to 2,657,628.34, 3,987,077.58 and 860,513.74 is: 1,290,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,628.34 : 3,987,077.58 = 860,513.74 : x
  2. Step 2: Convert to fraction form
    2,657,628.34/3,987,077.58 = 860,513.74/x
  3. Step 3: Cross multiply
    2,657,628.34x = 3,987,077.58 × 860,513.74
  4. Step 4: Simplify right side
    2,657,628.34x = 3,430,935,040,035.95
  5. Step 5: Solve for x
    x = 3,430,935,040,035.95/2,657,628.34
  6. Step 6: Final answer
    x = 1,290,976.24

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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.