Home / 7,251,916.40-10,879,113.88-2,989,754.72

Finding the Fourth Proportional to 7,251,916.40, 10,879,113.88 and 2,989,754.72

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Solution

The fourth proportional to 7,251,916.40, 10,879,113.88 and 2,989,754.72 is: 4,485,143.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251,916.40 : 10,879,113.88 = 2,989,754.72 : x
  2. Step 2: Convert to fraction form
    7,251,916.40/10,879,113.88 = 2,989,754.72/x
  3. Step 3: Cross multiply
    7,251,916.40x = 10,879,113.88 × 2,989,754.72
  4. Step 4: Simplify right side
    7,251,916.40x = 32,525,882,072,147.52
  5. Step 5: Solve for x
    x = 32,525,882,072,147.52/7,251,916.40
  6. Step 6: Final answer
    x = 4,485,143.00

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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.