Home / 1,887,880.95-2,832,231.49-689,801.36

Finding the Fourth Proportional to 1,887,880.95, 2,832,231.49 and 689,801.36

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Solution

The fourth proportional to 1,887,880.95, 2,832,231.49 and 689,801.36 is: 1,034,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,880.95 : 2,832,231.49 = 689,801.36 : x
  2. Step 2: Convert to fraction form
    1,887,880.95/2,832,231.49 = 689,801.36/x
  3. Step 3: Cross multiply
    1,887,880.95x = 2,832,231.49 × 689,801.36
  4. Step 4: Simplify right side
    1,887,880.95x = 1,953,677,117,751.17
  5. Step 5: Solve for x
    x = 1,953,677,117,751.17/1,887,880.95
  6. Step 6: Final answer
    x = 1,034,851.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.