Home / 3,435,009.40-5,152,514.10-910,919.80

Finding the Fourth Proportional to 3,435,009.40, 5,152,514.10 and 910,919.80

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Solution

The fourth proportional to 3,435,009.40, 5,152,514.10 and 910,919.80 is: 1,366,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,009.40 : 5,152,514.10 = 910,919.80 : x
  2. Step 2: Convert to fraction form
    3,435,009.40/5,152,514.10 = 910,919.80/x
  3. Step 3: Cross multiply
    3,435,009.40x = 5,152,514.10 × 910,919.80
  4. Step 4: Simplify right side
    3,435,009.40x = 4,693,527,113,469.18
  5. Step 5: Solve for x
    x = 4,693,527,113,469.18/3,435,009.40
  6. Step 6: Final answer
    x = 1,366,379.70

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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.