Home / 1,989,886.83-2,984,802.45-1,135,134.33

Finding the Fourth Proportional to 1,989,886.83, 2,984,802.45 and 1,135,134.33

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Solution

The fourth proportional to 1,989,886.83, 2,984,802.45 and 1,135,134.33 is: 1,702,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,886.83 : 2,984,802.45 = 1,135,134.33 : x
  2. Step 2: Convert to fraction form
    1,989,886.83/2,984,802.45 = 1,135,134.33/x
  3. Step 3: Cross multiply
    1,989,886.83x = 2,984,802.45 × 1,135,134.33
  4. Step 4: Simplify right side
    1,989,886.83x = 3,388,151,729,263.11
  5. Step 5: Solve for x
    x = 3,388,151,729,263.11/1,989,886.83
  6. Step 6: Final answer
    x = 1,702,685.64

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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.