Home / 5,208,674.40-7,813,011.60-4,312,879.20

Finding the Fourth Proportional to 5,208,674.40, 7,813,011.60 and 4,312,879.20

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Solution

The fourth proportional to 5,208,674.40, 7,813,011.60 and 4,312,879.20 is: 6,469,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,208,674.40 : 7,813,011.60 = 4,312,879.20 : x
  2. Step 2: Convert to fraction form
    5,208,674.40/7,813,011.60 = 4,312,879.20/x
  3. Step 3: Cross multiply
    5,208,674.40x = 7,813,011.60 × 4,312,879.20
  4. Step 4: Simplify right side
    5,208,674.40x = 33,696,575,218,998.72
  5. Step 5: Solve for x
    x = 33,696,575,218,998.72/5,208,674.40
  6. Step 6: Final answer
    x = 6,469,318.80

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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.