Home / 1,820,964.66-2,512,931.72-1,005,168.86

Finding the Fourth Proportional to 1,820,964.66, 2,512,931.72 and 1,005,168.86

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Solution

The fourth proportional to 1,820,964.66, 2,512,931.72 and 1,005,168.86 is: 1,387,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,964.66 : 2,512,931.72 = 1,005,168.86 : x
  2. Step 2: Convert to fraction form
    1,820,964.66/2,512,931.72 = 1,005,168.86/x
  3. Step 3: Cross multiply
    1,820,964.66x = 2,512,931.72 × 1,005,168.86
  4. Step 4: Simplify right side
    1,820,964.66x = 2,525,920,712,250.24
  5. Step 5: Solve for x
    x = 2,525,920,712,250.24/1,820,964.66
  6. Step 6: Final answer
    x = 1,387,133.30

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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.