Home / 2,988,700.80-4,124,402.40-1,630,573.92

Finding the Fourth Proportional to 2,988,700.80, 4,124,402.40 and 1,630,573.92

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Solution

The fourth proportional to 2,988,700.80, 4,124,402.40 and 1,630,573.92 is: 2,250,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,700.80 : 4,124,402.40 = 1,630,573.92 : x
  2. Step 2: Convert to fraction form
    2,988,700.80/4,124,402.40 = 1,630,573.92/x
  3. Step 3: Cross multiply
    2,988,700.80x = 4,124,402.40 × 1,630,573.92
  4. Step 4: Simplify right side
    2,988,700.80x = 6,725,142,989,025.41
  5. Step 5: Solve for x
    x = 6,725,142,989,025.41/2,988,700.80
  6. Step 6: Final answer
    x = 2,250,189.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.