Home / 3,841,313.51-5,301,001.75-2,122,421.78

Finding the Fourth Proportional to 3,841,313.51, 5,301,001.75 and 2,122,421.78

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Solution

The fourth proportional to 3,841,313.51, 5,301,001.75 and 2,122,421.78 is: 2,928,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841,313.51 : 5,301,001.75 = 2,122,421.78 : x
  2. Step 2: Convert to fraction form
    3,841,313.51/5,301,001.75 = 2,122,421.78/x
  3. Step 3: Cross multiply
    3,841,313.51x = 5,301,001.75 × 2,122,421.78
  4. Step 4: Simplify right side
    3,841,313.51x = 11,250,961,570,018.11
  5. Step 5: Solve for x
    x = 11,250,961,570,018.11/3,841,313.51
  6. Step 6: Final answer
    x = 2,928,936.04

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1.5x scale

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.