Home / 1,921,054.32-2,650,829.40-1,061,563.32

Finding the Fourth Proportional to 1,921,054.32, 2,650,829.40 and 1,061,563.32

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Solution

The fourth proportional to 1,921,054.32, 2,650,829.40 and 1,061,563.32 is: 1,464,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,054.32 : 2,650,829.40 = 1,061,563.32 : x
  2. Step 2: Convert to fraction form
    1,921,054.32/2,650,829.40 = 1,061,563.32/x
  3. Step 3: Cross multiply
    1,921,054.32x = 2,650,829.40 × 1,061,563.32
  4. Step 4: Simplify right side
    1,921,054.32x = 2,814,023,258,617.61
  5. Step 5: Solve for x
    x = 2,814,023,258,617.61/1,921,054.32
  6. Step 6: Final answer
    x = 1,464,832.74

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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.