Home / 5,325,992.40-7,988,813.64-2,130,260.40

Finding the Fourth Proportional to 5,325,992.40, 7,988,813.64 and 2,130,260.40

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Solution

The fourth proportional to 5,325,992.40, 7,988,813.64 and 2,130,260.40 is: 3,195,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325,992.40 : 7,988,813.64 = 2,130,260.40 : x
  2. Step 2: Convert to fraction form
    5,325,992.40/7,988,813.64 = 2,130,260.40/x
  3. Step 3: Cross multiply
    5,325,992.40x = 7,988,813.64 × 2,130,260.40
  4. Step 4: Simplify right side
    5,325,992.40x = 17,018,253,340,271.86
  5. Step 5: Solve for x
    x = 17,018,253,340,271.86/5,325,992.40
  6. Step 6: Final answer
    x = 3,195,320.62

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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.