Home / 2,391,384.19-3,587,071.42-971,107.51

Finding the Fourth Proportional to 2,391,384.19, 3,587,071.42 and 971,107.51

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Solution

The fourth proportional to 2,391,384.19, 3,587,071.42 and 971,107.51 is: 1,456,659.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391,384.19 : 3,587,071.42 = 971,107.51 : x
  2. Step 2: Convert to fraction form
    2,391,384.19/3,587,071.42 = 971,107.51/x
  3. Step 3: Cross multiply
    2,391,384.19x = 3,587,071.42 × 971,107.51
  4. Step 4: Simplify right side
    2,391,384.19x = 3,483,431,994,868.36
  5. Step 5: Solve for x
    x = 3,483,431,994,868.36/2,391,384.19
  6. Step 6: Final answer
    x = 1,456,659.29

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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.