Home / 1,925,879.09-2,657,680.43-1,066,420.89

Finding the Fourth Proportional to 1,925,879.09, 2,657,680.43 and 1,066,420.89

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Solution

The fourth proportional to 1,925,879.09, 2,657,680.43 and 1,066,420.89 is: 1,471,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,879.09 : 2,657,680.43 = 1,066,420.89 : x
  2. Step 2: Convert to fraction form
    1,925,879.09/2,657,680.43 = 1,066,420.89/x
  3. Step 3: Cross multiply
    1,925,879.09x = 2,657,680.43 × 1,066,420.89
  4. Step 4: Simplify right side
    1,925,879.09x = 2,834,205,924,164.08
  5. Step 5: Solve for x
    x = 2,834,205,924,164.08/1,925,879.09
  6. Step 6: Final answer
    x = 1,471,642.71

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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.