Home / 1,948,849.49-2,689,429.67-1,077,742.79

Finding the Fourth Proportional to 1,948,849.49, 2,689,429.67 and 1,077,742.79

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Solution

The fourth proportional to 1,948,849.49, 2,689,429.67 and 1,077,742.79 is: 1,487,294.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,849.49 : 2,689,429.67 = 1,077,742.79 : x
  2. Step 2: Convert to fraction form
    1,948,849.49/2,689,429.67 = 1,077,742.79/x
  3. Step 3: Cross multiply
    1,948,849.49x = 2,689,429.67 × 1,077,742.79
  4. Step 4: Simplify right side
    1,948,849.49x = 2,898,513,445,472.51
  5. Step 5: Solve for x
    x = 2,898,513,445,472.51/1,948,849.49
  6. Step 6: Final answer
    x = 1,487,294.66

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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.