Home / 1,386,620.52-1,911,685.86-1,101,085.80

Finding the Fourth Proportional to 1,386,620.52, 1,911,685.86 and 1,101,085.80

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Solution

The fourth proportional to 1,386,620.52, 1,911,685.86 and 1,101,085.80 is: 1,518,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,620.52 : 1,911,685.86 = 1,101,085.80 : x
  2. Step 2: Convert to fraction form
    1,386,620.52/1,911,685.86 = 1,101,085.80/x
  3. Step 3: Cross multiply
    1,386,620.52x = 1,911,685.86 × 1,101,085.80
  4. Step 4: Simplify right side
    1,386,620.52x = 2,104,930,154,506.79
  5. Step 5: Solve for x
    x = 2,104,930,154,506.79/1,386,620.52
  6. Step 6: Final answer
    x = 1,518,029.00

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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.