Home / 2,400,148.80-3,604,370.40-1,280,404.80

Finding the Fourth Proportional to 2,400,148.80, 3,604,370.40 and 1,280,404.80

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Solution

The fourth proportional to 2,400,148.80, 3,604,370.40 and 1,280,404.80 is: 1,922,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400,148.80 : 3,604,370.40 = 1,280,404.80 : x
  2. Step 2: Convert to fraction form
    2,400,148.80/3,604,370.40 = 1,280,404.80/x
  3. Step 3: Cross multiply
    2,400,148.80x = 3,604,370.40 × 1,280,404.80
  4. Step 4: Simplify right side
    2,400,148.80x = 4,615,053,161,137.92
  5. Step 5: Solve for x
    x = 4,615,053,161,137.92/2,400,148.80
  6. Step 6: Final answer
    x = 1,922,819.60

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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.