Home / 3,134,897.12-4,326,630.64-1,911,912.48

Finding the Fourth Proportional to 3,134,897.12, 4,326,630.64 and 1,911,912.48

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Solution

The fourth proportional to 3,134,897.12, 4,326,630.64 and 1,911,912.48 is: 2,638,727.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,897.12 : 4,326,630.64 = 1,911,912.48 : x
  2. Step 2: Convert to fraction form
    3,134,897.12/4,326,630.64 = 1,911,912.48/x
  3. Step 3: Cross multiply
    3,134,897.12x = 4,326,630.64 × 1,911,912.48
  4. Step 4: Simplify right side
    3,134,897.12x = 8,272,139,116,966.39
  5. Step 5: Solve for x
    x = 8,272,139,116,966.39/3,134,897.12
  6. Step 6: Final answer
    x = 2,638,727.46

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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.