Home / 1,929,209.84-2,662,358.46-1,058,079.21

Finding the Fourth Proportional to 1,929,209.84, 2,662,358.46 and 1,058,079.21

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Solution

The fourth proportional to 1,929,209.84, 2,662,358.46 and 1,058,079.21 is: 1,460,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,209.84 : 2,662,358.46 = 1,058,079.21 : x
  2. Step 2: Convert to fraction form
    1,929,209.84/2,662,358.46 = 1,058,079.21/x
  3. Step 3: Cross multiply
    1,929,209.84x = 2,662,358.46 × 1,058,079.21
  4. Step 4: Simplify right side
    1,929,209.84x = 2,816,986,137,117.74
  5. Step 5: Solve for x
    x = 2,816,986,137,117.74/1,929,209.84
  6. Step 6: Final answer
    x = 1,460,176.12

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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.