Home / 3,458,431.92-4,772,710.64-1,909,689.64

Finding the Fourth Proportional to 3,458,431.92, 4,772,710.64 and 1,909,689.64

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Solution

The fourth proportional to 3,458,431.92, 4,772,710.64 and 1,909,689.64 is: 2,635,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458,431.92 : 4,772,710.64 = 1,909,689.64 : x
  2. Step 2: Convert to fraction form
    3,458,431.92/4,772,710.64 = 1,909,689.64/x
  3. Step 3: Cross multiply
    3,458,431.92x = 4,772,710.64 × 1,909,689.64
  4. Step 4: Simplify right side
    3,458,431.92x = 9,114,396,063,925.77
  5. Step 5: Solve for x
    x = 9,114,396,063,925.77/3,458,431.92
  6. Step 6: Final answer
    x = 2,635,412.89

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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.