Home / 3,557,686.12-4,909,572.48-1,926,051.64

Finding the Fourth Proportional to 3,557,686.12, 4,909,572.48 and 1,926,051.64

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Solution

The fourth proportional to 3,557,686.12, 4,909,572.48 and 1,926,051.64 is: 2,657,932.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,686.12 : 4,909,572.48 = 1,926,051.64 : x
  2. Step 2: Convert to fraction form
    3,557,686.12/4,909,572.48 = 1,926,051.64/x
  3. Step 3: Cross multiply
    3,557,686.12x = 4,909,572.48 × 1,926,051.64
  4. Step 4: Simplify right side
    3,557,686.12x = 9,456,090,126,802.87
  5. Step 5: Solve for x
    x = 9,456,090,126,802.87/3,557,686.12
  6. Step 6: Final answer
    x = 2,657,932.66

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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.