Home / 5,065,491.90-6,990,250.11-2,830,287.69

Finding the Fourth Proportional to 5,065,491.90, 6,990,250.11 and 2,830,287.69

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Solution

The fourth proportional to 5,065,491.90, 6,990,250.11 and 2,830,287.69 is: 3,905,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065,491.90 : 6,990,250.11 = 2,830,287.69 : x
  2. Step 2: Convert to fraction form
    5,065,491.90/6,990,250.11 = 2,830,287.69/x
  3. Step 3: Cross multiply
    5,065,491.90x = 6,990,250.11 × 2,830,287.69
  4. Step 4: Simplify right side
    5,065,491.90x = 19,784,418,836,354.14
  5. Step 5: Solve for x
    x = 19,784,418,836,354.14/5,065,491.90
  6. Step 6: Final answer
    x = 3,905,725.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.