Home / 1,953,455.40-2,695,911.12-1,179,276.57

Finding the Fourth Proportional to 1,953,455.40, 2,695,911.12 and 1,179,276.57

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Solution

The fourth proportional to 1,953,455.40, 2,695,911.12 and 1,179,276.57 is: 1,627,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,455.40 : 2,695,911.12 = 1,179,276.57 : x
  2. Step 2: Convert to fraction form
    1,953,455.40/2,695,911.12 = 1,179,276.57/x
  3. Step 3: Cross multiply
    1,953,455.40x = 2,695,911.12 × 1,179,276.57
  4. Step 4: Simplify right side
    1,953,455.40x = 3,179,224,818,618.46
  5. Step 5: Solve for x
    x = 3,179,224,818,618.46/1,953,455.40
  6. Step 6: Final answer
    x = 1,627,487.79

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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.