Home / 1,921,055.32-2,650,830.78-1,061,564.32

Finding the Fourth Proportional to 1,921,055.32, 2,650,830.78 and 1,061,564.32

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Solution

The fourth proportional to 1,921,055.32, 2,650,830.78 and 1,061,564.32 is: 1,464,834.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,055.32 : 2,650,830.78 = 1,061,564.32 : x
  2. Step 2: Convert to fraction form
    1,921,055.32/2,650,830.78 = 1,061,564.32/x
  3. Step 3: Cross multiply
    1,921,055.32x = 2,650,830.78 × 1,061,564.32
  4. Step 4: Simplify right side
    1,921,055.32x = 2,814,027,374,405.77
  5. Step 5: Solve for x
    x = 2,814,027,374,405.77/1,921,055.32
  6. Step 6: Final answer
    x = 1,464,834.12

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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.