Home / 1,542,122.60-2,310,434.70-1,315,180.52

Finding the Fourth Proportional to 1,542,122.60, 2,310,434.70 and 1,315,180.52

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Solution

The fourth proportional to 1,542,122.60, 2,310,434.70 and 1,315,180.52 is: 1,970,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,122.60 : 2,310,434.70 = 1,315,180.52 : x
  2. Step 2: Convert to fraction form
    1,542,122.60/2,310,434.70 = 1,315,180.52/x
  3. Step 3: Cross multiply
    1,542,122.60x = 2,310,434.70 × 1,315,180.52
  4. Step 4: Simplify right side
    1,542,122.60x = 3,038,638,710,172.04
  5. Step 5: Solve for x
    x = 3,038,638,710,172.04/1,542,122.60
  6. Step 6: Final answer
    x = 1,970,426.16

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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.