Home / 2,599,315.21-3,897,312.06-1,248,790.77

Finding the Fourth Proportional to 2,599,315.21, 3,897,312.06 and 1,248,790.77

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Solution

The fourth proportional to 2,599,315.21, 3,897,312.06 and 1,248,790.77 is: 1,872,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599,315.21 : 3,897,312.06 = 1,248,790.77 : x
  2. Step 2: Convert to fraction form
    2,599,315.21/3,897,312.06 = 1,248,790.77/x
  3. Step 3: Cross multiply
    2,599,315.21x = 3,897,312.06 × 1,248,790.77
  4. Step 4: Simplify right side
    2,599,315.21x = 4,866,927,333,020.65
  5. Step 5: Solve for x
    x = 4,866,927,333,020.65/2,599,315.21
  6. Step 6: Final answer
    x = 1,872,388.28

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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.