Home / 4,258,468.16-6,388,709.09-1,379,830.22

Finding the Fourth Proportional to 4,258,468.16, 6,388,709.09 and 1,379,830.22

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Solution

The fourth proportional to 4,258,468.16, 6,388,709.09 and 1,379,830.22 is: 2,070,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258,468.16 : 6,388,709.09 = 1,379,830.22 : x
  2. Step 2: Convert to fraction form
    4,258,468.16/6,388,709.09 = 1,379,830.22/x
  3. Step 3: Cross multiply
    4,258,468.16x = 6,388,709.09 × 1,379,830.22
  4. Step 4: Simplify right side
    4,258,468.16x = 8,815,333,830,328.00
  5. Step 5: Solve for x
    x = 8,815,333,830,328.00/4,258,468.16
  6. Step 6: Final answer
    x = 2,070,071.56

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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.