Home / 3,455,106.90-5,175,721.63-1,720,752.11

Finding the Fourth Proportional to 3,455,106.90, 5,175,721.63 and 1,720,752.11

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Solution

The fourth proportional to 3,455,106.90, 5,175,721.63 and 1,720,752.11 is: 2,577,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,106.90 : 5,175,721.63 = 1,720,752.11 : x
  2. Step 2: Convert to fraction form
    3,455,106.90/5,175,721.63 = 1,720,752.11/x
  3. Step 3: Cross multiply
    3,455,106.90x = 5,175,721.63 × 1,720,752.11
  4. Step 4: Simplify right side
    3,455,106.90x = 8,906,133,915,595.14
  5. Step 5: Solve for x
    x = 8,906,133,915,595.14/3,455,106.90
  6. Step 6: Final answer
    x = 2,577,672.46

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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.