Home / 1,643,214.65-2,462,787.25-931,083.71

Finding the Fourth Proportional to 1,643,214.65, 2,462,787.25 and 931,083.71

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Solution

The fourth proportional to 1,643,214.65, 2,462,787.25 and 931,083.71 is: 1,395,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,214.65 : 2,462,787.25 = 931,083.71 : x
  2. Step 2: Convert to fraction form
    1,643,214.65/2,462,787.25 = 931,083.71/x
  3. Step 3: Cross multiply
    1,643,214.65x = 2,462,787.25 × 931,083.71
  4. Step 4: Simplify right side
    1,643,214.65x = 2,293,061,075,029.05
  5. Step 5: Solve for x
    x = 2,293,061,075,029.05/1,643,214.65
  6. Step 6: Final answer
    x = 1,395,472.64

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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.