Home / 1,856,427.80-2,561,376.48-1,071,294.80

Finding the Fourth Proportional to 1,856,427.80, 2,561,376.48 and 1,071,294.80

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Solution

The fourth proportional to 1,856,427.80, 2,561,376.48 and 1,071,294.80 is: 1,478,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856,427.80 : 2,561,376.48 = 1,071,294.80 : x
  2. Step 2: Convert to fraction form
    1,856,427.80/2,561,376.48 = 1,071,294.80/x
  3. Step 3: Cross multiply
    1,856,427.80x = 2,561,376.48 × 1,071,294.80
  4. Step 4: Simplify right side
    1,856,427.80x = 2,743,989,303,866.30
  5. Step 5: Solve for x
    x = 2,743,989,303,866.30/1,856,427.80
  6. Step 6: Final answer
    x = 1,478,101.82

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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.