Home / 2,734,428.70-4,101,643.05-840,924.10

Finding the Fourth Proportional to 2,734,428.70, 4,101,643.05 and 840,924.10

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Solution

The fourth proportional to 2,734,428.70, 4,101,643.05 and 840,924.10 is: 1,261,386.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734,428.70 : 4,101,643.05 = 840,924.10 : x
  2. Step 2: Convert to fraction form
    2,734,428.70/4,101,643.05 = 840,924.10/x
  3. Step 3: Cross multiply
    2,734,428.70x = 4,101,643.05 × 840,924.10
  4. Step 4: Simplify right side
    2,734,428.70x = 3,449,170,490,342.51
  5. Step 5: Solve for x
    x = 3,449,170,490,342.51/2,734,428.70
  6. Step 6: Final answer
    x = 1,261,386.15

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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.