Home / 1,918,008.13-2,646,856.74-1,046,850.81

Finding the Fourth Proportional to 1,918,008.13, 2,646,856.74 and 1,046,850.81

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Solution

The fourth proportional to 1,918,008.13, 2,646,856.74 and 1,046,850.81 is: 1,444,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,008.13 : 2,646,856.74 = 1,046,850.81 : x
  2. Step 2: Convert to fraction form
    1,918,008.13/2,646,856.74 = 1,046,850.81/x
  3. Step 3: Cross multiply
    1,918,008.13x = 2,646,856.74 × 1,046,850.81
  4. Step 4: Simplify right side
    1,918,008.13x = 2,770,864,122,222.96
  5. Step 5: Solve for x
    x = 2,770,864,122,222.96/1,918,008.13
  6. Step 6: Final answer
    x = 1,444,657.13

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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.