Home / 1,797,315.10-2,697,311.63-1,318,779.48

Finding the Fourth Proportional to 1,797,315.10, 2,697,311.63 and 1,318,779.48

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Solution

The fourth proportional to 1,797,315.10, 2,697,311.63 and 1,318,779.48 is: 1,979,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,315.10 : 2,697,311.63 = 1,318,779.48 : x
  2. Step 2: Convert to fraction form
    1,797,315.10/2,697,311.63 = 1,318,779.48/x
  3. Step 3: Cross multiply
    1,797,315.10x = 2,697,311.63 × 1,318,779.48
  4. Step 4: Simplify right side
    1,797,315.10x = 3,557,159,219,630.71
  5. Step 5: Solve for x
    x = 3,557,159,219,630.71/1,797,315.10
  6. Step 6: Final answer
    x = 1,979,151.69

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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.