Home / 2,689,826.40-4,039,405.20-1,430,114.40

Finding the Fourth Proportional to 2,689,826.40, 4,039,405.20 and 1,430,114.40

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Solution

The fourth proportional to 2,689,826.40, 4,039,405.20 and 1,430,114.40 is: 2,147,652.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,826.40 : 4,039,405.20 = 1,430,114.40 : x
  2. Step 2: Convert to fraction form
    2,689,826.40/4,039,405.20 = 1,430,114.40/x
  3. Step 3: Cross multiply
    2,689,826.40x = 4,039,405.20 × 1,430,114.40
  4. Step 4: Simplify right side
    2,689,826.40x = 5,776,811,543,954.88
  5. Step 5: Solve for x
    x = 5,776,811,543,954.88/2,689,826.40
  6. Step 6: Final answer
    x = 2,147,652.18

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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.