Home / 3,388,864.74-4,676,743.23-1,938,562.98

Finding the Fourth Proportional to 3,388,864.74, 4,676,743.23 and 1,938,562.98

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Solution

The fourth proportional to 3,388,864.74, 4,676,743.23 and 1,938,562.98 is: 2,675,279.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388,864.74 : 4,676,743.23 = 1,938,562.98 : x
  2. Step 2: Convert to fraction form
    3,388,864.74/4,676,743.23 = 1,938,562.98/x
  3. Step 3: Cross multiply
    3,388,864.74x = 4,676,743.23 × 1,938,562.98
  4. Step 4: Simplify right side
    3,388,864.74x = 9,066,161,292,643.63
  5. Step 5: Solve for x
    x = 9,066,161,292,643.63/3,388,864.74
  6. Step 6: Final answer
    x = 2,675,279.77

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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.