Home / 4,000,870.89-5,521,208.94-2,165,331.51

Finding the Fourth Proportional to 4,000,870.89, 5,521,208.94 and 2,165,331.51

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Solution

The fourth proportional to 4,000,870.89, 5,521,208.94 and 2,165,331.51 is: 2,988,161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,870.89 : 5,521,208.94 = 2,165,331.51 : x
  2. Step 2: Convert to fraction form
    4,000,870.89/5,521,208.94 = 2,165,331.51/x
  3. Step 3: Cross multiply
    4,000,870.89x = 5,521,208.94 × 2,165,331.51
  4. Step 4: Simplify right side
    4,000,870.89x = 11,955,247,691,075.70
  5. Step 5: Solve for x
    x = 11,955,247,691,075.70/4,000,870.89
  6. Step 6: Final answer
    x = 2,988,161.33

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1.5x scale

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.