Home / 2,891,779.80-4,337,669.70-2,219,933.40

Finding the Fourth Proportional to 2,891,779.80, 4,337,669.70 and 2,219,933.40

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Solution

The fourth proportional to 2,891,779.80, 4,337,669.70 and 2,219,933.40 is: 3,329,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,779.80 : 4,337,669.70 = 2,219,933.40 : x
  2. Step 2: Convert to fraction form
    2,891,779.80/4,337,669.70 = 2,219,933.40/x
  3. Step 3: Cross multiply
    2,891,779.80x = 4,337,669.70 × 2,219,933.40
  4. Step 4: Simplify right side
    2,891,779.80x = 9,629,337,845,197.98
  5. Step 5: Solve for x
    x = 9,629,337,845,197.98/2,891,779.80
  6. Step 6: Final answer
    x = 3,329,900.10

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1.5x scale

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.