Home / 2,158,681.10-3,237,430.55-810,739.44

Finding the Fourth Proportional to 2,158,681.10, 3,237,430.55 and 810,739.44

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Solution

The fourth proportional to 2,158,681.10, 3,237,430.55 and 810,739.44 is: 1,215,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,681.10 : 3,237,430.55 = 810,739.44 : x
  2. Step 2: Convert to fraction form
    2,158,681.10/3,237,430.55 = 810,739.44/x
  3. Step 3: Cross multiply
    2,158,681.10x = 3,237,430.55 × 810,739.44
  4. Step 4: Simplify right side
    2,158,681.10x = 2,624,712,627,092.19
  5. Step 5: Solve for x
    x = 2,624,712,627,092.19/2,158,681.10
  6. Step 6: Final answer
    x = 1,215,887.16

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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.