Home / 2,030,981-2,802,753.78-1,125,621.32

Finding the Fourth Proportional to 2,030,981, 2,802,753.78 and 1,125,621.32

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Solution

The fourth proportional to 2,030,981, 2,802,753.78 and 1,125,621.32 is: 1,553,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030,981 : 2,802,753.78 = 1,125,621.32 : x
  2. Step 2: Convert to fraction form
    2,030,981/2,802,753.78 = 1,125,621.32/x
  3. Step 3: Cross multiply
    2,030,981x = 2,802,753.78 × 1,125,621.32
  4. Step 4: Simplify right side
    2,030,981x = 3,154,839,409,478.59
  5. Step 5: Solve for x
    x = 3,154,839,409,478.59/2,030,981
  6. Step 6: Final answer
    x = 1,553,357.42

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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.