Home / 1,990,127.55-2,746,186.29-1,163,394.40

Finding the Fourth Proportional to 1,990,127.55, 2,746,186.29 and 1,163,394.40

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Solution

The fourth proportional to 1,990,127.55, 2,746,186.29 and 1,163,394.40 is: 1,605,373.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,127.55 : 2,746,186.29 = 1,163,394.40 : x
  2. Step 2: Convert to fraction form
    1,990,127.55/2,746,186.29 = 1,163,394.40/x
  3. Step 3: Cross multiply
    1,990,127.55x = 2,746,186.29 × 1,163,394.40
  4. Step 4: Simplify right side
    1,990,127.55x = 3,194,897,751,142.78
  5. Step 5: Solve for x
    x = 3,194,897,751,142.78/1,990,127.55
  6. Step 6: Final answer
    x = 1,605,373.36

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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.