Home / 5,111,931.70-7,054,485.55-2,788,876.38

Finding the Fourth Proportional to 5,111,931.70, 7,054,485.55 and 2,788,876.38

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Solution

The fourth proportional to 5,111,931.70, 7,054,485.55 and 2,788,876.38 is: 3,848,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,111,931.70 : 7,054,485.55 = 2,788,876.38 : x
  2. Step 2: Convert to fraction form
    5,111,931.70/7,054,485.55 = 2,788,876.38/x
  3. Step 3: Cross multiply
    5,111,931.70x = 7,054,485.55 × 2,788,876.38
  4. Step 4: Simplify right side
    5,111,931.70x = 19,674,088,116,474.12
  5. Step 5: Solve for x
    x = 19,674,088,116,474.12/5,111,931.70
  6. Step 6: Final answer
    x = 3,848,660.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.