Home / 2,689,389.40-4,029,491.40-1,266,527.20

Finding the Fourth Proportional to 2,689,389.40, 4,029,491.40 and 1,266,527.20

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Solution

The fourth proportional to 2,689,389.40, 4,029,491.40 and 1,266,527.20 is: 1,897,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,389.40 : 4,029,491.40 = 1,266,527.20 : x
  2. Step 2: Convert to fraction form
    2,689,389.40/4,029,491.40 = 1,266,527.20/x
  3. Step 3: Cross multiply
    2,689,389.40x = 4,029,491.40 × 1,266,527.20
  4. Step 4: Simplify right side
    2,689,389.40x = 5,103,460,460,266.08
  5. Step 5: Solve for x
    x = 5,103,460,460,266.08/2,689,389.40
  6. Step 6: Final answer
    x = 1,897,627.94

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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.