Home / 2,975,970.80-4,106,874.18-1,651,421.72

Finding the Fourth Proportional to 2,975,970.80, 4,106,874.18 and 1,651,421.72

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Solution

The fourth proportional to 2,975,970.80, 4,106,874.18 and 1,651,421.72 is: 2,278,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975,970.80 : 4,106,874.18 = 1,651,421.72 : x
  2. Step 2: Convert to fraction form
    2,975,970.80/4,106,874.18 = 1,651,421.72/x
  3. Step 3: Cross multiply
    2,975,970.80x = 4,106,874.18 × 1,651,421.72
  4. Step 4: Simplify right side
    2,975,970.80x = 6,782,181,224,685.17
  5. Step 5: Solve for x
    x = 6,782,181,224,685.17/2,975,970.80
  6. Step 6: Final answer
    x = 2,278,981.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.