Home / 5,209,161.60-7,814,037.78-1,615,439.46

Finding the Fourth Proportional to 5,209,161.60, 7,814,037.78 and 1,615,439.46

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Solution

The fourth proportional to 5,209,161.60, 7,814,037.78 and 1,615,439.46 is: 2,423,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,161.60 : 7,814,037.78 = 1,615,439.46 : x
  2. Step 2: Convert to fraction form
    5,209,161.60/7,814,037.78 = 1,615,439.46/x
  3. Step 3: Cross multiply
    5,209,161.60x = 7,814,037.78 × 1,615,439.46
  4. Step 4: Simplify right side
    5,209,161.60x = 12,623,104,971,742.80
  5. Step 5: Solve for x
    x = 12,623,104,971,742.80/5,209,161.60
  6. Step 6: Final answer
    x = 2,423,250.79

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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.