Home / 3,557,403.78-4,909,211.60-1,925,810.66

Finding the Fourth Proportional to 3,557,403.78, 4,909,211.60 and 1,925,810.66

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Solution

The fourth proportional to 3,557,403.78, 4,909,211.60 and 1,925,810.66 is: 2,657,615.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,403.78 : 4,909,211.60 = 1,925,810.66 : x
  2. Step 2: Convert to fraction form
    3,557,403.78/4,909,211.60 = 1,925,810.66/x
  3. Step 3: Cross multiply
    3,557,403.78x = 4,909,211.60 × 1,925,810.66
  4. Step 4: Simplify right side
    3,557,403.78x = 9,454,211,997,300.55
  5. Step 5: Solve for x
    x = 9,454,211,997,300.55/3,557,403.78
  6. Step 6: Final answer
    x = 2,657,615.66

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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.