Home / 2,133,315.95-2,943,278.31-1,305,526.56

Finding the Fourth Proportional to 2,133,315.95, 2,943,278.31 and 1,305,526.56

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Solution

The fourth proportional to 2,133,315.95, 2,943,278.31 and 1,305,526.56 is: 1,801,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,315.95 : 2,943,278.31 = 1,305,526.56 : x
  2. Step 2: Convert to fraction form
    2,133,315.95/2,943,278.31 = 1,305,526.56/x
  3. Step 3: Cross multiply
    2,133,315.95x = 2,943,278.31 × 1,305,526.56
  4. Step 4: Simplify right side
    2,133,315.95x = 3,842,528,008,411.74
  5. Step 5: Solve for x
    x = 3,842,528,008,411.74/2,133,315.95
  6. Step 6: Final answer
    x = 1,801,199.68

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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.