Home / 1,938,672.90-2,908,470.15-816,164.10

Finding the Fourth Proportional to 1,938,672.90, 2,908,470.15 and 816,164.10

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Solution

The fourth proportional to 1,938,672.90, 2,908,470.15 and 816,164.10 is: 1,224,440.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,672.90 : 2,908,470.15 = 816,164.10 : x
  2. Step 2: Convert to fraction form
    1,938,672.90/2,908,470.15 = 816,164.10/x
  3. Step 3: Cross multiply
    1,938,672.90x = 2,908,470.15 × 816,164.10
  4. Step 4: Simplify right side
    1,938,672.90x = 2,373,788,922,351.61
  5. Step 5: Solve for x
    x = 2,373,788,922,351.61/1,938,672.90
  6. Step 6: Final answer
    x = 1,224,440.14

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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.