Home / 1,948,205.43-2,688,642.86-1,088,834.31

Finding the Fourth Proportional to 1,948,205.43, 2,688,642.86 and 1,088,834.31

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Solution

The fourth proportional to 1,948,205.43, 2,688,642.86 and 1,088,834.31 is: 1,502,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,948,205.43 : 2,688,642.86 = 1,088,834.31 : x
  2. Step 2: Convert to fraction form
    1,948,205.43/2,688,642.86 = 1,088,834.31/x
  3. Step 3: Cross multiply
    1,948,205.43x = 2,688,642.86 × 1,088,834.31
  4. Step 4: Simplify right side
    1,948,205.43x = 2,927,486,587,860.36
  5. Step 5: Solve for x
    x = 2,927,486,587,860.36/1,948,205.43
  6. Step 6: Final answer
    x = 1,502,658.06

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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.