Home / 1,990,130.24-2,746,349.35-1,118,965.73

Finding the Fourth Proportional to 1,990,130.24, 2,746,349.35 and 1,118,965.73

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Solution

The fourth proportional to 1,990,130.24, 2,746,349.35 and 1,118,965.73 is: 1,544,155.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,130.24 : 2,746,349.35 = 1,118,965.73 : x
  2. Step 2: Convert to fraction form
    1,990,130.24/2,746,349.35 = 1,118,965.73/x
  3. Step 3: Cross multiply
    1,990,130.24x = 2,746,349.35 × 1,118,965.73
  4. Step 4: Simplify right side
    1,990,130.24x = 3,073,070,788,728.62
  5. Step 5: Solve for x
    x = 3,073,070,788,728.62/1,990,130.24
  6. Step 6: Final answer
    x = 1,544,155.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.