Home / 2,984,900.40-4,477,350.60-990,097.20

Finding the Fourth Proportional to 2,984,900.40, 4,477,350.60 and 990,097.20

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Solution

The fourth proportional to 2,984,900.40, 4,477,350.60 and 990,097.20 is: 1,485,145.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984,900.40 : 4,477,350.60 = 990,097.20 : x
  2. Step 2: Convert to fraction form
    2,984,900.40/4,477,350.60 = 990,097.20/x
  3. Step 3: Cross multiply
    2,984,900.40x = 4,477,350.60 × 990,097.20
  4. Step 4: Simplify right side
    2,984,900.40x = 4,433,012,292,478.32
  5. Step 5: Solve for x
    x = 4,433,012,292,478.32/2,984,900.40
  6. Step 6: Final answer
    x = 1,485,145.80

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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.