Home / 2,980,339.12-4,471,175.40-1,087,080.64

Finding the Fourth Proportional to 2,980,339.12, 4,471,175.40 and 1,087,080.64

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Solution

The fourth proportional to 2,980,339.12, 4,471,175.40 and 1,087,080.64 is: 1,630,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,339.12 : 4,471,175.40 = 1,087,080.64 : x
  2. Step 2: Convert to fraction form
    2,980,339.12/4,471,175.40 = 1,087,080.64/x
  3. Step 3: Cross multiply
    2,980,339.12x = 4,471,175.40 × 1,087,080.64
  4. Step 4: Simplify right side
    2,980,339.12x = 4,860,528,215,384.26
  5. Step 5: Solve for x
    x = 4,860,528,215,384.26/2,980,339.12
  6. Step 6: Final answer
    x = 1,630,864.15

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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.