Home / 1,953,186.80-2,695,335-1,081,985.60

Finding the Fourth Proportional to 1,953,186.80, 2,695,335 and 1,081,985.60

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Solution

The fourth proportional to 1,953,186.80, 2,695,335 and 1,081,985.60 is: 1,493,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,186.80 : 2,695,335 = 1,081,985.60 : x
  2. Step 2: Convert to fraction form
    1,953,186.80/2,695,335 = 1,081,985.60/x
  3. Step 3: Cross multiply
    1,953,186.80x = 2,695,335 × 1,081,985.60
  4. Step 4: Simplify right side
    1,953,186.80x = 2,916,313,657,176.00
  5. Step 5: Solve for x
    x = 2,916,313,657,176.00/1,953,186.80
  6. Step 6: Final answer
    x = 1,493,105.35

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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.