Home / 2,208,603.70-3,312,905.55-788,803.30

Finding the Fourth Proportional to 2,208,603.70, 3,312,905.55 and 788,803.30

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Solution

The fourth proportional to 2,208,603.70, 3,312,905.55 and 788,803.30 is: 1,183,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,603.70 : 3,312,905.55 = 788,803.30 : x
  2. Step 2: Convert to fraction form
    2,208,603.70/3,312,905.55 = 788,803.30/x
  3. Step 3: Cross multiply
    2,208,603.70x = 3,312,905.55 × 788,803.30
  4. Step 4: Simplify right side
    2,208,603.70x = 2,613,230,830,428.32
  5. Step 5: Solve for x
    x = 2,613,230,830,428.32/2,208,603.70
  6. Step 6: Final answer
    x = 1,183,204.95

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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.