Home / 2,916,101.70-4,374,152.55-1,640,643.30

Finding the Fourth Proportional to 2,916,101.70, 4,374,152.55 and 1,640,643.30

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Solution

The fourth proportional to 2,916,101.70, 4,374,152.55 and 1,640,643.30 is: 2,460,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,101.70 : 4,374,152.55 = 1,640,643.30 : x
  2. Step 2: Convert to fraction form
    2,916,101.70/4,374,152.55 = 1,640,643.30/x
  3. Step 3: Cross multiply
    2,916,101.70x = 4,374,152.55 × 1,640,643.30
  4. Step 4: Simplify right side
    2,916,101.70x = 7,176,424,074,335.42
  5. Step 5: Solve for x
    x = 7,176,424,074,335.42/2,916,101.70
  6. Step 6: Final answer
    x = 2,460,964.95

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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.