Home / 2,642,666.81-3,964,590.71-845,658.12

Finding the Fourth Proportional to 2,642,666.81, 3,964,590.71 and 845,658.12

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Solution

The fourth proportional to 2,642,666.81, 3,964,590.71 and 845,658.12 is: 1,268,676.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,666.81 : 3,964,590.71 = 845,658.12 : x
  2. Step 2: Convert to fraction form
    2,642,666.81/3,964,590.71 = 845,658.12/x
  3. Step 3: Cross multiply
    2,642,666.81x = 3,964,590.71 × 845,658.12
  4. Step 4: Simplify right side
    2,642,666.81x = 3,352,688,322,159.77
  5. Step 5: Solve for x
    x = 3,352,688,322,159.77/2,642,666.81
  6. Step 6: Final answer
    x = 1,268,676.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.