Home / 1,812,929.70-2,716,442.10-1,334,632.80

Finding the Fourth Proportional to 1,812,929.70, 2,716,442.10 and 1,334,632.80

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Solution

The fourth proportional to 1,812,929.70, 2,716,442.10 and 1,334,632.80 is: 1,999,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,929.70 : 2,716,442.10 = 1,334,632.80 : x
  2. Step 2: Convert to fraction form
    1,812,929.70/2,716,442.10 = 1,334,632.80/x
  3. Step 3: Cross multiply
    1,812,929.70x = 2,716,442.10 × 1,334,632.80
  4. Step 4: Simplify right side
    1,812,929.70x = 3,625,452,725,960.88
  5. Step 5: Solve for x
    x = 3,625,452,725,960.88/1,812,929.70
  6. Step 6: Final answer
    x = 1,999,775.68

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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.