Home / 2,116,886.60-3,173,447.57-918,154.85

Finding the Fourth Proportional to 2,116,886.60, 3,173,447.57 and 918,154.85

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Solution

The fourth proportional to 2,116,886.60, 3,173,447.57 and 918,154.85 is: 1,376,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,886.60 : 3,173,447.57 = 918,154.85 : x
  2. Step 2: Convert to fraction form
    2,116,886.60/3,173,447.57 = 918,154.85/x
  3. Step 3: Cross multiply
    2,116,886.60x = 3,173,447.57 × 918,154.85
  4. Step 4: Simplify right side
    2,116,886.60x = 2,913,716,257,158.20
  5. Step 5: Solve for x
    x = 2,913,716,257,158.20/2,116,886.60
  6. Step 6: Final answer
    x = 1,376,415.84

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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.