Home / 2,425,617.60-3,638,426.40-1,528,072.80

Finding the Fourth Proportional to 2,425,617.60, 3,638,426.40 and 1,528,072.80

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Solution

The fourth proportional to 2,425,617.60, 3,638,426.40 and 1,528,072.80 is: 2,292,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425,617.60 : 3,638,426.40 = 1,528,072.80 : x
  2. Step 2: Convert to fraction form
    2,425,617.60/3,638,426.40 = 1,528,072.80/x
  3. Step 3: Cross multiply
    2,425,617.60x = 3,638,426.40 × 1,528,072.80
  4. Step 4: Simplify right side
    2,425,617.60x = 5,559,780,416,641.92
  5. Step 5: Solve for x
    x = 5,559,780,416,641.92/2,425,617.60
  6. Step 6: Final answer
    x = 2,292,109.20

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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.