Home / 4,671,172.08-7,009,902-1,638,566.64

Finding the Fourth Proportional to 4,671,172.08, 7,009,902 and 1,638,566.64

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Solution

The fourth proportional to 4,671,172.08, 7,009,902 and 1,638,566.64 is: 2,458,952.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671,172.08 : 7,009,902 = 1,638,566.64 : x
  2. Step 2: Convert to fraction form
    4,671,172.08/7,009,902 = 1,638,566.64/x
  3. Step 3: Cross multiply
    4,671,172.08x = 7,009,902 × 1,638,566.64
  4. Step 4: Simplify right side
    4,671,172.08x = 11,486,191,566,869.28
  5. Step 5: Solve for x
    x = 11,486,191,566,869.28/4,671,172.08
  6. Step 6: Final answer
    x = 2,458,952.78

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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.