Home / 3,130,222.97-4,695,780.29-971,434.60

Finding the Fourth Proportional to 3,130,222.97, 4,695,780.29 and 971,434.60

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Solution

The fourth proportional to 3,130,222.97, 4,695,780.29 and 971,434.60 is: 1,457,290.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,222.97 : 4,695,780.29 = 971,434.60 : x
  2. Step 2: Convert to fraction form
    3,130,222.97/4,695,780.29 = 971,434.60/x
  3. Step 3: Cross multiply
    3,130,222.97x = 4,695,780.29 × 971,434.60
  4. Step 4: Simplify right side
    3,130,222.97x = 4,561,643,431,107.41
  5. Step 5: Solve for x
    x = 4,561,643,431,107.41/3,130,222.97
  6. Step 6: Final answer
    x = 1,457,290.25

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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.