Home / 2,985,432.32-4,116,640.80-2,016,880.88

Finding the Fourth Proportional to 2,985,432.32, 4,116,640.80 and 2,016,880.88

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Solution

The fourth proportional to 2,985,432.32, 4,116,640.80 and 2,016,880.88 is: 2,781,096.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,432.32 : 4,116,640.80 = 2,016,880.88 : x
  2. Step 2: Convert to fraction form
    2,985,432.32/4,116,640.80 = 2,016,880.88/x
  3. Step 3: Cross multiply
    2,985,432.32x = 4,116,640.80 × 2,016,880.88
  4. Step 4: Simplify right side
    2,985,432.32x = 8,302,774,119,347.90
  5. Step 5: Solve for x
    x = 8,302,774,119,347.90/2,985,432.32
  6. Step 6: Final answer
    x = 2,781,096.08

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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.