Home / 3,989,703.30-5,984,554.95-2,771,981.70

Finding the Fourth Proportional to 3,989,703.30, 5,984,554.95 and 2,771,981.70

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Solution

The fourth proportional to 3,989,703.30, 5,984,554.95 and 2,771,981.70 is: 4,157,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,703.30 : 5,984,554.95 = 2,771,981.70 : x
  2. Step 2: Convert to fraction form
    3,989,703.30/5,984,554.95 = 2,771,981.70/x
  3. Step 3: Cross multiply
    3,989,703.30x = 5,984,554.95 × 2,771,981.70
  4. Step 4: Simplify right side
    3,989,703.30x = 16,589,076,804,044.42
  5. Step 5: Solve for x
    x = 16,589,076,804,044.42/3,989,703.30
  6. Step 6: Final answer
    x = 4,157,972.55

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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.