Home / 1,587,024.51-2,190,764.02-1,071,476.78

Finding the Fourth Proportional to 1,587,024.51, 2,190,764.02 and 1,071,476.78

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Solution

The fourth proportional to 1,587,024.51, 2,190,764.02 and 1,071,476.78 is: 1,479,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,024.51 : 2,190,764.02 = 1,071,476.78 : x
  2. Step 2: Convert to fraction form
    1,587,024.51/2,190,764.02 = 1,071,476.78/x
  3. Step 3: Cross multiply
    1,587,024.51x = 2,190,764.02 × 1,071,476.78
  4. Step 4: Simplify right side
    1,587,024.51x = 2,347,352,766,935.64
  5. Step 5: Solve for x
    x = 2,347,352,766,935.64/1,587,024.51
  6. Step 6: Final answer
    x = 1,479,090.44

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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.