Home / 2,109,048.79-2,907,352.04-1,655,552.47

Finding the Fourth Proportional to 2,109,048.79, 2,907,352.04 and 1,655,552.47

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Solution

The fourth proportional to 2,109,048.79, 2,907,352.04 and 1,655,552.47 is: 2,282,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,048.79 : 2,907,352.04 = 1,655,552.47 : x
  2. Step 2: Convert to fraction form
    2,109,048.79/2,907,352.04 = 1,655,552.47/x
  3. Step 3: Cross multiply
    2,109,048.79x = 2,907,352.04 × 1,655,552.47
  4. Step 4: Simplify right side
    2,109,048.79x = 4,813,273,828,167.02
  5. Step 5: Solve for x
    x = 4,813,273,828,167.02/2,109,048.79
  6. Step 6: Final answer
    x = 2,282,201.28

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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.