Home / 1,904,195.02-2,631,263.24-1,387,045.72

Finding the Fourth Proportional to 1,904,195.02, 2,631,263.24 and 1,387,045.72

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Solution

The fourth proportional to 1,904,195.02, 2,631,263.24 and 1,387,045.72 is: 1,916,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,195.02 : 2,631,263.24 = 1,387,045.72 : x
  2. Step 2: Convert to fraction form
    1,904,195.02/2,631,263.24 = 1,387,045.72/x
  3. Step 3: Cross multiply
    1,904,195.02x = 2,631,263.24 × 1,387,045.72
  4. Step 4: Simplify right side
    1,904,195.02x = 3,649,682,412,124.79
  5. Step 5: Solve for x
    x = 3,649,682,412,124.79/1,904,195.02
  6. Step 6: Final answer
    x = 1,916,653.69

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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.