Home / 5,200,417.60-7,790,128.80-2,953,931.20

Finding the Fourth Proportional to 5,200,417.60, 7,790,128.80 and 2,953,931.20

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Solution

The fourth proportional to 5,200,417.60, 7,790,128.80 and 2,953,931.20 is: 4,424,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200,417.60 : 7,790,128.80 = 2,953,931.20 : x
  2. Step 2: Convert to fraction form
    5,200,417.60/7,790,128.80 = 2,953,931.20/x
  3. Step 3: Cross multiply
    5,200,417.60x = 7,790,128.80 × 2,953,931.20
  4. Step 4: Simplify right side
    5,200,417.60x = 23,011,504,514,338.56
  5. Step 5: Solve for x
    x = 23,011,504,514,338.56/5,200,417.60
  6. Step 6: Final answer
    x = 4,424,933.97

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1.5x scale

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.