Home / 5,352,529.78-7,386,499.21-2,905,141.72

Finding the Fourth Proportional to 5,352,529.78, 7,386,499.21 and 2,905,141.72

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Solution

The fourth proportional to 5,352,529.78, 7,386,499.21 and 2,905,141.72 is: 4,009,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352,529.78 : 7,386,499.21 = 2,905,141.72 : x
  2. Step 2: Convert to fraction form
    5,352,529.78/7,386,499.21 = 2,905,141.72/x
  3. Step 3: Cross multiply
    5,352,529.78x = 7,386,499.21 × 2,905,141.72
  4. Step 4: Simplify right side
    5,352,529.78x = 21,458,827,038,145.80
  5. Step 5: Solve for x
    x = 21,458,827,038,145.80/5,352,529.78
  6. Step 6: Final answer
    x = 4,009,099.98

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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.