Home / 2,136,057.21-2,947,734.05-1,155,973.55

Finding the Fourth Proportional to 2,136,057.21, 2,947,734.05 and 1,155,973.55

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Solution

The fourth proportional to 2,136,057.21, 2,947,734.05 and 1,155,973.55 is: 1,595,230.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,057.21 : 2,947,734.05 = 1,155,973.55 : x
  2. Step 2: Convert to fraction form
    2,136,057.21/2,947,734.05 = 1,155,973.55/x
  3. Step 3: Cross multiply
    2,136,057.21x = 2,947,734.05 × 1,155,973.55
  4. Step 4: Simplify right side
    2,136,057.21x = 3,407,502,573,715.84
  5. Step 5: Solve for x
    x = 3,407,502,573,715.84/2,136,057.21
  6. Step 6: Final answer
    x = 1,595,230.01

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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.