Home / 6,528,580.80-9,788,205.60-2,931,403.20

Finding the Fourth Proportional to 6,528,580.80, 9,788,205.60 and 2,931,403.20

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Solution

The fourth proportional to 6,528,580.80, 9,788,205.60 and 2,931,403.20 is: 4,395,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,528,580.80 : 9,788,205.60 = 2,931,403.20 : x
  2. Step 2: Convert to fraction form
    6,528,580.80/9,788,205.60 = 2,931,403.20/x
  3. Step 3: Cross multiply
    6,528,580.80x = 9,788,205.60 × 2,931,403.20
  4. Step 4: Simplify right side
    6,528,580.80x = 28,693,177,218,097.92
  5. Step 5: Solve for x
    x = 28,693,177,218,097.92/6,528,580.80
  6. Step 6: Final answer
    x = 4,395,009.90

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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.