Home / 1,996,264.89-2,754,900.79-1,221,880.32

Finding the Fourth Proportional to 1,996,264.89, 2,754,900.79 and 1,221,880.32

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Solution

The fourth proportional to 1,996,264.89, 2,754,900.79 and 1,221,880.32 is: 1,686,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,264.89 : 2,754,900.79 = 1,221,880.32 : x
  2. Step 2: Convert to fraction form
    1,996,264.89/2,754,900.79 = 1,221,880.32/x
  3. Step 3: Cross multiply
    1,996,264.89x = 2,754,900.79 × 1,221,880.32
  4. Step 4: Simplify right side
    1,996,264.89x = 3,366,159,055,798.75
  5. Step 5: Solve for x
    x = 3,366,159,055,798.75/1,996,264.89
  6. Step 6: Final answer
    x = 1,686,228.65

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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.