Home / 4,672,448.80-6,994,676.40-2,778,215.20

Finding the Fourth Proportional to 4,672,448.80, 6,994,676.40 and 2,778,215.20

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Solution

The fourth proportional to 4,672,448.80, 6,994,676.40 and 2,778,215.20 is: 4,159,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672,448.80 : 6,994,676.40 = 2,778,215.20 : x
  2. Step 2: Convert to fraction form
    4,672,448.80/6,994,676.40 = 2,778,215.20/x
  3. Step 3: Cross multiply
    4,672,448.80x = 6,994,676.40 × 2,778,215.20
  4. Step 4: Simplify right side
    4,672,448.80x = 19,432,716,293,561.28
  5. Step 5: Solve for x
    x = 19,432,716,293,561.28/4,672,448.80
  6. Step 6: Final answer
    x = 4,159,000.37

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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.