Home / 1,948,853.60-2,923,280.40-1,277,007.20

Finding the Fourth Proportional to 1,948,853.60, 2,923,280.40 and 1,277,007.20

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Solution

The fourth proportional to 1,948,853.60, 2,923,280.40 and 1,277,007.20 is: 1,915,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,853.60 : 2,923,280.40 = 1,277,007.20 : x
  2. Step 2: Convert to fraction form
    1,948,853.60/2,923,280.40 = 1,277,007.20/x
  3. Step 3: Cross multiply
    1,948,853.60x = 2,923,280.40 × 1,277,007.20
  4. Step 4: Simplify right side
    1,948,853.60x = 3,733,050,118,418.88
  5. Step 5: Solve for x
    x = 3,733,050,118,418.88/1,948,853.60
  6. Step 6: Final answer
    x = 1,915,510.80

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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.