Home / 1,512,237.30-2,265,731.55-1,276,041.30

Finding the Fourth Proportional to 1,512,237.30, 2,265,731.55 and 1,276,041.30

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Solution

The fourth proportional to 1,512,237.30, 2,265,731.55 and 1,276,041.30 is: 1,911,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,237.30 : 2,265,731.55 = 1,276,041.30 : x
  2. Step 2: Convert to fraction form
    1,512,237.30/2,265,731.55 = 1,276,041.30/x
  3. Step 3: Cross multiply
    1,512,237.30x = 2,265,731.55 × 1,276,041.30
  4. Step 4: Simplify right side
    1,512,237.30x = 2,891,167,032,513.01
  5. Step 5: Solve for x
    x = 2,891,167,032,513.01/1,512,237.30
  6. Step 6: Final answer
    x = 1,911,847.45

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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.