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Finding the Fourth Proportional to 5,249,010.94, 7,873,516.51 and 1,259,922.94

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Solution

The fourth proportional to 5,249,010.94, 7,873,516.51 and 1,259,922.94 is: 1,889,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249,010.94 : 7,873,516.51 = 1,259,922.94 : x
  2. Step 2: Convert to fraction form
    5,249,010.94/7,873,516.51 = 1,259,922.94/x
  3. Step 3: Cross multiply
    5,249,010.94x = 7,873,516.51 × 1,259,922.94
  4. Step 4: Simplify right side
    5,249,010.94x = 9,920,024,046,584.14
  5. Step 5: Solve for x
    x = 9,920,024,046,584.14/5,249,010.94
  6. Step 6: Final answer
    x = 1,889,884.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.