Home / 2,916,153.80-4,374,230.70-1,640,695.40

Finding the Fourth Proportional to 2,916,153.80, 4,374,230.70 and 1,640,695.40

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Solution

The fourth proportional to 2,916,153.80, 4,374,230.70 and 1,640,695.40 is: 2,461,043.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,153.80 : 4,374,230.70 = 1,640,695.40 : x
  2. Step 2: Convert to fraction form
    2,916,153.80/4,374,230.70 = 1,640,695.40/x
  3. Step 3: Cross multiply
    2,916,153.80x = 4,374,230.70 × 1,640,695.40
  4. Step 4: Simplify right side
    2,916,153.80x = 7,176,780,188,028.78
  5. Step 5: Solve for x
    x = 7,176,780,188,028.78/2,916,153.80
  6. Step 6: Final answer
    x = 2,461,043.10

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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.