Home / 1,980,040.60-2,964,812.10-1,560,136.60

Finding the Fourth Proportional to 1,980,040.60, 2,964,812.10 and 1,560,136.60

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Solution

The fourth proportional to 1,980,040.60, 2,964,812.10 and 1,560,136.60 is: 2,336,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,040.60 : 2,964,812.10 = 1,560,136.60 : x
  2. Step 2: Convert to fraction form
    1,980,040.60/2,964,812.10 = 1,560,136.60/x
  3. Step 3: Cross multiply
    1,980,040.60x = 2,964,812.10 × 1,560,136.60
  4. Step 4: Simplify right side
    1,980,040.60x = 4,625,511,869,332.86
  5. Step 5: Solve for x
    x = 4,625,511,869,332.86/1,980,040.60
  6. Step 6: Final answer
    x = 2,336,069.20

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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.