Home / 2,574,405.80-3,859,859.10-976,729.40

Finding the Fourth Proportional to 2,574,405.80, 3,859,859.10 and 976,729.40

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Solution

The fourth proportional to 2,574,405.80, 3,859,859.10 and 976,729.40 is: 1,464,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,405.80 : 3,859,859.10 = 976,729.40 : x
  2. Step 2: Convert to fraction form
    2,574,405.80/3,859,859.10 = 976,729.40/x
  3. Step 3: Cross multiply
    2,574,405.80x = 3,859,859.10 × 976,729.40
  4. Step 4: Simplify right side
    2,574,405.80x = 3,770,037,862,827.54
  5. Step 5: Solve for x
    x = 3,770,037,862,827.54/2,574,405.80
  6. Step 6: Final answer
    x = 1,464,430.30

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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.