Home / 2,087,646.89-2,881,023.61-1,991,987.51

Finding the Fourth Proportional to 2,087,646.89, 2,881,023.61 and 1,991,987.51

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Solution

The fourth proportional to 2,087,646.89, 2,881,023.61 and 1,991,987.51 is: 2,749,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,646.89 : 2,881,023.61 = 1,991,987.51 : x
  2. Step 2: Convert to fraction form
    2,087,646.89/2,881,023.61 = 1,991,987.51/x
  3. Step 3: Cross multiply
    2,087,646.89x = 2,881,023.61 × 1,991,987.51
  4. Step 4: Simplify right side
    2,087,646.89x = 5,738,963,047,135.11
  5. Step 5: Solve for x
    x = 5,738,963,047,135.11/2,087,646.89
  6. Step 6: Final answer
    x = 2,749,010.42

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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.