Home / 2,141,689.17-2,955,503.46-1,223,907.79

Finding the Fourth Proportional to 2,141,689.17, 2,955,503.46 and 1,223,907.79

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Solution

The fourth proportional to 2,141,689.17, 2,955,503.46 and 1,223,907.79 is: 1,688,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,689.17 : 2,955,503.46 = 1,223,907.79 : x
  2. Step 2: Convert to fraction form
    2,141,689.17/2,955,503.46 = 1,223,907.79/x
  3. Step 3: Cross multiply
    2,141,689.17x = 2,955,503.46 × 1,223,907.79
  4. Step 4: Simplify right side
    2,141,689.17x = 3,617,263,708,065.95
  5. Step 5: Solve for x
    x = 3,617,263,708,065.95/2,141,689.17
  6. Step 6: Final answer
    x = 1,688,976.98

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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.