Home / 2,657,914.80-3,987,455.40-860,492.40

Finding the Fourth Proportional to 2,657,914.80, 3,987,455.40 and 860,492.40

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Solution

The fourth proportional to 2,657,914.80, 3,987,455.40 and 860,492.40 is: 1,290,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,914.80 : 3,987,455.40 = 860,492.40 : x
  2. Step 2: Convert to fraction form
    2,657,914.80/3,987,455.40 = 860,492.40/x
  3. Step 3: Cross multiply
    2,657,914.80x = 3,987,455.40 × 860,492.40
  4. Step 4: Simplify right side
    2,657,914.80x = 3,431,175,067,038.96
  5. Step 5: Solve for x
    x = 3,431,175,067,038.96/2,657,914.80
  6. Step 6: Final answer
    x = 1,290,927.41

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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.