Home / 2,806,490.70-4,210,177.23-912,789.27

Finding the Fourth Proportional to 2,806,490.70, 4,210,177.23 and 912,789.27

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Solution

The fourth proportional to 2,806,490.70, 4,210,177.23 and 912,789.27 is: 1,369,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,490.70 : 4,210,177.23 = 912,789.27 : x
  2. Step 2: Convert to fraction form
    2,806,490.70/4,210,177.23 = 912,789.27/x
  3. Step 3: Cross multiply
    2,806,490.70x = 4,210,177.23 × 912,789.27
  4. Step 4: Simplify right side
    2,806,490.70x = 3,843,004,600,342.32
  5. Step 5: Solve for x
    x = 3,843,004,600,342.32/2,806,490.70
  6. Step 6: Final answer
    x = 1,369,327.40

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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.