Home / 5,329,812.80-7,992,386.40-2,133,876.80

Finding the Fourth Proportional to 5,329,812.80, 7,992,386.40 and 2,133,876.80

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Solution

The fourth proportional to 5,329,812.80, 7,992,386.40 and 2,133,876.80 is: 3,199,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329,812.80 : 7,992,386.40 = 2,133,876.80 : x
  2. Step 2: Convert to fraction form
    5,329,812.80/7,992,386.40 = 2,133,876.80/x
  3. Step 3: Cross multiply
    5,329,812.80x = 7,992,386.40 × 2,133,876.80
  4. Step 4: Simplify right side
    5,329,812.80x = 17,054,767,915,595.52
  5. Step 5: Solve for x
    x = 17,054,767,915,595.52/5,329,812.80
  6. Step 6: Final answer
    x = 3,199,881.23

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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.