Home / 1,954,208.32-2,931,349.92-1,284,564.16

Finding the Fourth Proportional to 1,954,208.32, 2,931,349.92 and 1,284,564.16

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Solution

The fourth proportional to 1,954,208.32, 2,931,349.92 and 1,284,564.16 is: 1,926,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,208.32 : 2,931,349.92 = 1,284,564.16 : x
  2. Step 2: Convert to fraction form
    1,954,208.32/2,931,349.92 = 1,284,564.16/x
  3. Step 3: Cross multiply
    1,954,208.32x = 2,931,349.92 × 1,284,564.16
  4. Step 4: Simplify right side
    1,954,208.32x = 3,765,507,047,650.87
  5. Step 5: Solve for x
    x = 3,765,507,047,650.87/1,954,208.32
  6. Step 6: Final answer
    x = 1,926,870.85

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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.