Home / 2,290,907.34-3,161,459.49-1,272,312.06

Finding the Fourth Proportional to 2,290,907.34, 3,161,459.49 and 1,272,312.06

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Solution

The fourth proportional to 2,290,907.34, 3,161,459.49 and 1,272,312.06 is: 1,755,794.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,907.34 : 3,161,459.49 = 1,272,312.06 : x
  2. Step 2: Convert to fraction form
    2,290,907.34/3,161,459.49 = 1,272,312.06/x
  3. Step 3: Cross multiply
    2,290,907.34x = 3,161,459.49 × 1,272,312.06
  4. Step 4: Simplify right side
    2,290,907.34x = 4,022,363,036,328.45
  5. Step 5: Solve for x
    x = 4,022,363,036,328.45/2,290,907.34
  6. Step 6: Final answer
    x = 1,755,794.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.