Home / 2,990,191.60-4,485,287.40-1,709,484.40

Finding the Fourth Proportional to 2,990,191.60, 4,485,287.40 and 1,709,484.40

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Solution

The fourth proportional to 2,990,191.60, 4,485,287.40 and 1,709,484.40 is: 2,564,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,191.60 : 4,485,287.40 = 1,709,484.40 : x
  2. Step 2: Convert to fraction form
    2,990,191.60/4,485,287.40 = 1,709,484.40/x
  3. Step 3: Cross multiply
    2,990,191.60x = 4,485,287.40 × 1,709,484.40
  4. Step 4: Simplify right side
    2,990,191.60x = 7,667,528,839,816.56
  5. Step 5: Solve for x
    x = 7,667,528,839,816.56/2,990,191.60
  6. Step 6: Final answer
    x = 2,564,226.60

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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.