Home / 2,191,210.89-3,023,864.66-1,224,341.91

Finding the Fourth Proportional to 2,191,210.89, 3,023,864.66 and 1,224,341.91

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Solution

The fourth proportional to 2,191,210.89, 3,023,864.66 and 1,224,341.91 is: 1,689,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,210.89 : 3,023,864.66 = 1,224,341.91 : x
  2. Step 2: Convert to fraction form
    2,191,210.89/3,023,864.66 = 1,224,341.91/x
  3. Step 3: Cross multiply
    2,191,210.89x = 3,023,864.66 × 1,224,341.91
  4. Step 4: Simplify right side
    2,191,210.89x = 3,702,244,227,962.14
  5. Step 5: Solve for x
    x = 3,702,244,227,962.14/2,191,210.89
  6. Step 6: Final answer
    x = 1,689,588.28

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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.