Home / 2,157,170.99-2,977,973.72-1,341,637.56

Finding the Fourth Proportional to 2,157,170.99, 2,977,973.72 and 1,341,637.56

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Solution

The fourth proportional to 2,157,170.99, 2,977,973.72 and 1,341,637.56 is: 1,852,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,170.99 : 2,977,973.72 = 1,341,637.56 : x
  2. Step 2: Convert to fraction form
    2,157,170.99/2,977,973.72 = 1,341,637.56/x
  3. Step 3: Cross multiply
    2,157,170.99x = 2,977,973.72 × 1,341,637.56
  4. Step 4: Simplify right side
    2,157,170.99x = 3,995,361,388,736.74
  5. Step 5: Solve for x
    x = 3,995,361,388,736.74/2,157,170.99
  6. Step 6: Final answer
    x = 1,852,130.14

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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.