Home / 4,647,979.40-6,985,965.90-4,032,120.20

Finding the Fourth Proportional to 4,647,979.40, 6,985,965.90 and 4,032,120.20

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Solution

The fourth proportional to 4,647,979.40, 6,985,965.90 and 4,032,120.20 is: 6,060,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,647,979.40 : 6,985,965.90 = 4,032,120.20 : x
  2. Step 2: Convert to fraction form
    4,647,979.40/6,985,965.90 = 4,032,120.20/x
  3. Step 3: Cross multiply
    4,647,979.40x = 6,985,965.90 × 4,032,120.20
  4. Step 4: Simplify right side
    4,647,979.40x = 28,168,254,221,901.18
  5. Step 5: Solve for x
    x = 28,168,254,221,901.18/4,647,979.40
  6. Step 6: Final answer
    x = 6,060,322.52

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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.