Home / 6,438,715.05-9,658,072.58-1,646,779.35

Finding the Fourth Proportional to 6,438,715.05, 9,658,072.58 and 1,646,779.35

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Solution

The fourth proportional to 6,438,715.05, 9,658,072.58 and 1,646,779.35 is: 2,470,169.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,715.05 : 9,658,072.58 = 1,646,779.35 : x
  2. Step 2: Convert to fraction form
    6,438,715.05/9,658,072.58 = 1,646,779.35/x
  3. Step 3: Cross multiply
    6,438,715.05x = 9,658,072.58 × 1,646,779.35
  4. Step 4: Simplify right side
    6,438,715.05x = 15,904,714,477,311.33
  5. Step 5: Solve for x
    x = 15,904,714,477,311.33/6,438,715.05
  6. Step 6: Final answer
    x = 2,470,169.03

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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.