Home / 1,640,340.30-2,460,510.45-1,374,619.80

Finding the Fourth Proportional to 1,640,340.30, 2,460,510.45 and 1,374,619.80

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Solution

The fourth proportional to 1,640,340.30, 2,460,510.45 and 1,374,619.80 is: 2,061,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,340.30 : 2,460,510.45 = 1,374,619.80 : x
  2. Step 2: Convert to fraction form
    1,640,340.30/2,460,510.45 = 1,374,619.80/x
  3. Step 3: Cross multiply
    1,640,340.30x = 2,460,510.45 × 1,374,619.80
  4. Step 4: Simplify right side
    1,640,340.30x = 3,382,266,382,676.91
  5. Step 5: Solve for x
    x = 3,382,266,382,676.91/1,640,340.30
  6. Step 6: Final answer
    x = 2,061,929.70

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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.