Home / 2,657,671.47-3,987,088.61-860,736.58

Finding the Fourth Proportional to 2,657,671.47, 3,987,088.61 and 860,736.58

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Solution

The fourth proportional to 2,657,671.47, 3,987,088.61 and 860,736.58 is: 1,291,293.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,671.47 : 3,987,088.61 = 860,736.58 : x
  2. Step 2: Convert to fraction form
    2,657,671.47/3,987,088.61 = 860,736.58/x
  3. Step 3: Cross multiply
    2,657,671.47x = 3,987,088.61 × 860,736.58
  4. Step 4: Simplify right side
    2,657,671.47x = 3,431,833,000,056.95
  5. Step 5: Solve for x
    x = 3,431,833,000,056.95/2,657,671.47
  6. Step 6: Final answer
    x = 1,291,293.16

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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.