Home / 1,855,320.80-2,561,570.88-1,424,828.48

Finding the Fourth Proportional to 1,855,320.80, 2,561,570.88 and 1,424,828.48

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Solution

The fourth proportional to 1,855,320.80, 2,561,570.88 and 1,424,828.48 is: 1,967,206.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855,320.80 : 2,561,570.88 = 1,424,828.48 : x
  2. Step 2: Convert to fraction form
    1,855,320.80/2,561,570.88 = 1,424,828.48/x
  3. Step 3: Cross multiply
    1,855,320.80x = 2,561,570.88 × 1,424,828.48
  4. Step 4: Simplify right side
    1,855,320.80x = 3,649,799,143,362.66
  5. Step 5: Solve for x
    x = 3,649,799,143,362.66/1,855,320.80
  6. Step 6: Final answer
    x = 1,967,206.50

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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.