Home / 5,315,423.80-7,974,302.10-2,621,039.80

Finding the Fourth Proportional to 5,315,423.80, 7,974,302.10 and 2,621,039.80

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Solution

The fourth proportional to 5,315,423.80, 7,974,302.10 and 2,621,039.80 is: 3,932,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,423.80 : 7,974,302.10 = 2,621,039.80 : x
  2. Step 2: Convert to fraction form
    5,315,423.80/7,974,302.10 = 2,621,039.80/x
  3. Step 3: Cross multiply
    5,315,423.80x = 7,974,302.10 × 2,621,039.80
  4. Step 4: Simplify right side
    5,315,423.80x = 20,900,963,181,323.58
  5. Step 5: Solve for x
    x = 20,900,963,181,323.58/5,315,423.80
  6. Step 6: Final answer
    x = 3,932,134.85

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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.