Home / 3,117,988.71-4,271,573.05-3,001,415.72

Finding the Fourth Proportional to 3,117,988.71, 4,271,573.05 and 3,001,415.72

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Solution

The fourth proportional to 3,117,988.71, 4,271,573.05 and 3,001,415.72 is: 4,111,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,988.71 : 4,271,573.05 = 3,001,415.72 : x
  2. Step 2: Convert to fraction form
    3,117,988.71/4,271,573.05 = 3,001,415.72/x
  3. Step 3: Cross multiply
    3,117,988.71x = 4,271,573.05 × 3,001,415.72
  4. Step 4: Simplify right side
    3,117,988.71x = 12,820,766,472,536.94
  5. Step 5: Solve for x
    x = 12,820,766,472,536.94/3,117,988.71
  6. Step 6: Final answer
    x = 4,111,870.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.