Home / 4,629,430.40-6,944,145.60-2,928,819.20

Finding the Fourth Proportional to 4,629,430.40, 6,944,145.60 and 2,928,819.20

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Solution

The fourth proportional to 4,629,430.40, 6,944,145.60 and 2,928,819.20 is: 4,393,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629,430.40 : 6,944,145.60 = 2,928,819.20 : x
  2. Step 2: Convert to fraction form
    4,629,430.40/6,944,145.60 = 2,928,819.20/x
  3. Step 3: Cross multiply
    4,629,430.40x = 6,944,145.60 × 2,928,819.20
  4. Step 4: Simplify right side
    4,629,430.40x = 20,338,146,960,875.52
  5. Step 5: Solve for x
    x = 20,338,146,960,875.52/4,629,430.40
  6. Step 6: Final answer
    x = 4,393,228.80

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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.