Home / 1,989,206.31-2,983,830.27-1,592,369.76

Finding the Fourth Proportional to 1,989,206.31, 2,983,830.27 and 1,592,369.76

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Solution

The fourth proportional to 1,989,206.31, 2,983,830.27 and 1,592,369.76 is: 2,388,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,206.31 : 2,983,830.27 = 1,592,369.76 : x
  2. Step 2: Convert to fraction form
    1,989,206.31/2,983,830.27 = 1,592,369.76/x
  3. Step 3: Cross multiply
    1,989,206.31x = 2,983,830.27 × 1,592,369.76
  4. Step 4: Simplify right side
    1,989,206.31x = 4,751,361,090,920.64
  5. Step 5: Solve for x
    x = 4,751,361,090,920.64/1,989,206.31
  6. Step 6: Final answer
    x = 2,388,571.29

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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.