Home / 1,866,434.43-2,574,304.39-1,407,568.35

Finding the Fourth Proportional to 1,866,434.43, 2,574,304.39 and 1,407,568.35

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Solution

The fourth proportional to 1,866,434.43, 2,574,304.39 and 1,407,568.35 is: 1,941,407.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,434.43 : 2,574,304.39 = 1,407,568.35 : x
  2. Step 2: Convert to fraction form
    1,866,434.43/2,574,304.39 = 1,407,568.35/x
  3. Step 3: Cross multiply
    1,866,434.43x = 2,574,304.39 × 1,407,568.35
  4. Step 4: Simplify right side
    1,866,434.43x = 3,623,509,394,043.16
  5. Step 5: Solve for x
    x = 3,623,509,394,043.16/1,866,434.43
  6. Step 6: Final answer
    x = 1,941,407.28

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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.