Home / 1,642,345.71-2,266,108.35-917,081.84

Finding the Fourth Proportional to 1,642,345.71, 2,266,108.35 and 917,081.84

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Solution

The fourth proportional to 1,642,345.71, 2,266,108.35 and 917,081.84 is: 1,265,389.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,345.71 : 2,266,108.35 = 917,081.84 : x
  2. Step 2: Convert to fraction form
    1,642,345.71/2,266,108.35 = 917,081.84/x
  3. Step 3: Cross multiply
    1,642,345.71x = 2,266,108.35 × 917,081.84
  4. Step 4: Simplify right side
    1,642,345.71x = 2,078,206,803,926.82
  5. Step 5: Solve for x
    x = 2,078,206,803,926.82/1,642,345.71
  6. Step 6: Final answer
    x = 1,265,389.37

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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.