Home / 2,574,397.80-3,859,847.10-976,721.40

Finding the Fourth Proportional to 2,574,397.80, 3,859,847.10 and 976,721.40

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Solution

The fourth proportional to 2,574,397.80, 3,859,847.10 and 976,721.40 is: 1,464,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,397.80 : 3,859,847.10 = 976,721.40 : x
  2. Step 2: Convert to fraction form
    2,574,397.80/3,859,847.10 = 976,721.40/x
  3. Step 3: Cross multiply
    2,574,397.80x = 3,859,847.10 × 976,721.40
  4. Step 4: Simplify right side
    2,574,397.80x = 3,769,995,263,297.94
  5. Step 5: Solve for x
    x = 3,769,995,263,297.94/2,574,397.80
  6. Step 6: Final answer
    x = 1,464,418.31

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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.