Home / 3,115,065.60-4,665,225.60-2,112,364.80

Finding the Fourth Proportional to 3,115,065.60, 4,665,225.60 and 2,112,364.80

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Solution

The fourth proportional to 3,115,065.60, 4,665,225.60 and 2,112,364.80 is: 3,163,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,065.60 : 4,665,225.60 = 2,112,364.80 : x
  2. Step 2: Convert to fraction form
    3,115,065.60/4,665,225.60 = 2,112,364.80/x
  3. Step 3: Cross multiply
    3,115,065.60x = 4,665,225.60 × 2,112,364.80
  4. Step 4: Simplify right side
    3,115,065.60x = 9,854,658,341,498.88
  5. Step 5: Solve for x
    x = 9,854,658,341,498.88/3,115,065.60
  6. Step 6: Final answer
    x = 3,163,547.61

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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.