Home / 1,916,411.40-2,874,617.10-1,631,445.30

Finding the Fourth Proportional to 1,916,411.40, 2,874,617.10 and 1,631,445.30

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Solution

The fourth proportional to 1,916,411.40, 2,874,617.10 and 1,631,445.30 is: 2,447,167.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,411.40 : 2,874,617.10 = 1,631,445.30 : x
  2. Step 2: Convert to fraction form
    1,916,411.40/2,874,617.10 = 1,631,445.30/x
  3. Step 3: Cross multiply
    1,916,411.40x = 2,874,617.10 × 1,631,445.30
  4. Step 4: Simplify right side
    1,916,411.40x = 4,689,780,557,094.63
  5. Step 5: Solve for x
    x = 4,689,780,557,094.63/1,916,411.40
  6. Step 6: Final answer
    x = 2,447,167.95

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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.