Home / 1,971,995.50-2,721,282.31-1,237,345.79

Finding the Fourth Proportional to 1,971,995.50, 2,721,282.31 and 1,237,345.79

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Solution

The fourth proportional to 1,971,995.50, 2,721,282.31 and 1,237,345.79 is: 1,707,492.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,995.50 : 2,721,282.31 = 1,237,345.79 : x
  2. Step 2: Convert to fraction form
    1,971,995.50/2,721,282.31 = 1,237,345.79/x
  3. Step 3: Cross multiply
    1,971,995.50x = 2,721,282.31 × 1,237,345.79
  4. Step 4: Simplify right side
    1,971,995.50x = 3,367,167,210,188.43
  5. Step 5: Solve for x
    x = 3,367,167,210,188.43/1,971,995.50
  6. Step 6: Final answer
    x = 1,707,492.34

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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.