Home / 3,557,865.15-4,909,795.28-1,926,259.47

Finding the Fourth Proportional to 3,557,865.15, 4,909,795.28 and 1,926,259.47

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Solution

The fourth proportional to 3,557,865.15, 4,909,795.28 and 1,926,259.47 is: 2,658,206.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,865.15 : 4,909,795.28 = 1,926,259.47 : x
  2. Step 2: Convert to fraction form
    3,557,865.15/4,909,795.28 = 1,926,259.47/x
  3. Step 3: Cross multiply
    3,557,865.15x = 4,909,795.28 × 1,926,259.47
  4. Step 4: Simplify right side
    3,557,865.15x = 9,457,539,658,676.95
  5. Step 5: Solve for x
    x = 9,457,539,658,676.95/3,557,865.15
  6. Step 6: Final answer
    x = 2,658,206.33

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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.