Home / 6,466,999.80-9,700,499.70-1,918,212.60

Finding the Fourth Proportional to 6,466,999.80, 9,700,499.70 and 1,918,212.60

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Solution

The fourth proportional to 6,466,999.80, 9,700,499.70 and 1,918,212.60 is: 2,877,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466,999.80 : 9,700,499.70 = 1,918,212.60 : x
  2. Step 2: Convert to fraction form
    6,466,999.80/9,700,499.70 = 1,918,212.60/x
  3. Step 3: Cross multiply
    6,466,999.80x = 9,700,499.70 × 1,918,212.60
  4. Step 4: Simplify right side
    6,466,999.80x = 18,607,620,750,836.22
  5. Step 5: Solve for x
    x = 18,607,620,750,836.22/6,466,999.80
  6. Step 6: Final answer
    x = 2,877,318.90

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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.