Home / 2,118,800.40-3,177,034.20-698,125.20

Finding the Fourth Proportional to 2,118,800.40, 3,177,034.20 and 698,125.20

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Solution

The fourth proportional to 2,118,800.40, 3,177,034.20 and 698,125.20 is: 1,046,803.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,800.40 : 3,177,034.20 = 698,125.20 : x
  2. Step 2: Convert to fraction form
    2,118,800.40/3,177,034.20 = 698,125.20/x
  3. Step 3: Cross multiply
    2,118,800.40x = 3,177,034.20 × 698,125.20
  4. Step 4: Simplify right side
    2,118,800.40x = 2,217,967,636,281.84
  5. Step 5: Solve for x
    x = 2,217,967,636,281.84/2,118,800.40
  6. Step 6: Final answer
    x = 1,046,803.48

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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.