Home / 2,806,739.40-4,210,109.10-913,672.20

Finding the Fourth Proportional to 2,806,739.40, 4,210,109.10 and 913,672.20

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Solution

The fourth proportional to 2,806,739.40, 4,210,109.10 and 913,672.20 is: 1,370,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806,739.40 : 4,210,109.10 = 913,672.20 : x
  2. Step 2: Convert to fraction form
    2,806,739.40/4,210,109.10 = 913,672.20/x
  3. Step 3: Cross multiply
    2,806,739.40x = 4,210,109.10 × 913,672.20
  4. Step 4: Simplify right side
    2,806,739.40x = 3,846,659,643,637.02
  5. Step 5: Solve for x
    x = 3,846,659,643,637.02/2,806,739.40
  6. Step 6: Final answer
    x = 1,370,508.30

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1.5x scale

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.