Home / 2,268,278.07-3,130,222.38-1,249,682.82

Finding the Fourth Proportional to 2,268,278.07, 3,130,222.38 and 1,249,682.82

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Solution

The fourth proportional to 2,268,278.07, 3,130,222.38 and 1,249,682.82 is: 1,724,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268,278.07 : 3,130,222.38 = 1,249,682.82 : x
  2. Step 2: Convert to fraction form
    2,268,278.07/3,130,222.38 = 1,249,682.82/x
  3. Step 3: Cross multiply
    2,268,278.07x = 3,130,222.38 × 1,249,682.82
  4. Step 4: Simplify right side
    2,268,278.07x = 3,911,785,131,065.51
  5. Step 5: Solve for x
    x = 3,911,785,131,065.51/2,268,278.07
  6. Step 6: Final answer
    x = 1,724,561.54

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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.