Home / 2,152,579.91-2,970,560.27-1,185,707.21

Finding the Fourth Proportional to 2,152,579.91, 2,970,560.27 and 1,185,707.21

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Solution

The fourth proportional to 2,152,579.91, 2,970,560.27 and 1,185,707.21 is: 1,636,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,579.91 : 2,970,560.27 = 1,185,707.21 : x
  2. Step 2: Convert to fraction form
    2,152,579.91/2,970,560.27 = 1,185,707.21/x
  3. Step 3: Cross multiply
    2,152,579.91x = 2,970,560.27 × 1,185,707.21
  4. Step 4: Simplify right side
    2,152,579.91x = 3,522,214,720,221.08
  5. Step 5: Solve for x
    x = 3,522,214,720,221.08/2,152,579.91
  6. Step 6: Final answer
    x = 1,636,275.94

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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.