Home / 2,219,979.48-3,061,017.90-1,640,041.74

Finding the Fourth Proportional to 2,219,979.48, 3,061,017.90 and 1,640,041.74

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Solution

The fourth proportional to 2,219,979.48, 3,061,017.90 and 1,640,041.74 is: 2,261,370.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,979.48 : 3,061,017.90 = 1,640,041.74 : x
  2. Step 2: Convert to fraction form
    2,219,979.48/3,061,017.90 = 1,640,041.74/x
  3. Step 3: Cross multiply
    2,219,979.48x = 3,061,017.90 × 1,640,041.74
  4. Step 4: Simplify right side
    2,219,979.48x = 5,020,197,122,887.15
  5. Step 5: Solve for x
    x = 5,020,197,122,887.15/2,219,979.48
  6. Step 6: Final answer
    x = 2,261,370.96

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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.