Home / 2,219,779.15-3,063,303.30-1,201,183.90

Finding the Fourth Proportional to 2,219,779.15, 3,063,303.30 and 1,201,183.90

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Solution

The fourth proportional to 2,219,779.15, 3,063,303.30 and 1,201,183.90 is: 1,657,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,779.15 : 3,063,303.30 = 1,201,183.90 : x
  2. Step 2: Convert to fraction form
    2,219,779.15/3,063,303.30 = 1,201,183.90/x
  3. Step 3: Cross multiply
    2,219,779.15x = 3,063,303.30 × 1,201,183.90
  4. Step 4: Simplify right side
    2,219,779.15x = 3,679,590,604,776.87
  5. Step 5: Solve for x
    x = 3,679,590,604,776.87/2,219,779.15
  6. Step 6: Final answer
    x = 1,657,638.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.