Home / 2,429,186.40-3,641,446.80-1,889,143.20

Finding the Fourth Proportional to 2,429,186.40, 3,641,446.80 and 1,889,143.20

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Solution

The fourth proportional to 2,429,186.40, 3,641,446.80 and 1,889,143.20 is: 2,831,900.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429,186.40 : 3,641,446.80 = 1,889,143.20 : x
  2. Step 2: Convert to fraction form
    2,429,186.40/3,641,446.80 = 1,889,143.20/x
  3. Step 3: Cross multiply
    2,429,186.40x = 3,641,446.80 × 1,889,143.20
  4. Step 4: Simplify right side
    2,429,186.40x = 6,879,214,460,381.76
  5. Step 5: Solve for x
    x = 6,879,214,460,381.76/2,429,186.40
  6. Step 6: Final answer
    x = 2,831,900.62

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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.