Home / 2,208,342-3,312,507.98-692,140.46

Finding the Fourth Proportional to 2,208,342, 3,312,507.98 and 692,140.46

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Solution

The fourth proportional to 2,208,342, 3,312,507.98 and 692,140.46 is: 1,038,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,342 : 3,312,507.98 = 692,140.46 : x
  2. Step 2: Convert to fraction form
    2,208,342/3,312,507.98 = 692,140.46/x
  3. Step 3: Cross multiply
    2,208,342x = 3,312,507.98 × 692,140.46
  4. Step 4: Simplify right side
    2,208,342x = 2,292,720,797,030.87
  5. Step 5: Solve for x
    x = 2,292,720,797,030.87/2,208,342
  6. Step 6: Final answer
    x = 1,038,209.12

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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.