Home / 4,778,643.60-7,167,965.40-1,412,850.60

Finding the Fourth Proportional to 4,778,643.60, 7,167,965.40 and 1,412,850.60

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Solution

The fourth proportional to 4,778,643.60, 7,167,965.40 and 1,412,850.60 is: 2,119,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778,643.60 : 7,167,965.40 = 1,412,850.60 : x
  2. Step 2: Convert to fraction form
    4,778,643.60/7,167,965.40 = 1,412,850.60/x
  3. Step 3: Cross multiply
    4,778,643.60x = 7,167,965.40 × 1,412,850.60
  4. Step 4: Simplify right side
    4,778,643.60x = 10,127,264,216,169.24
  5. Step 5: Solve for x
    x = 10,127,264,216,169.24/4,778,643.60
  6. Step 6: Final answer
    x = 2,119,275.90

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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.