Home / 2,810,430.23-4,216,047.48-865,323.38

Finding the Fourth Proportional to 2,810,430.23, 4,216,047.48 and 865,323.38

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Solution

The fourth proportional to 2,810,430.23, 4,216,047.48 and 865,323.38 is: 1,298,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,430.23 : 4,216,047.48 = 865,323.38 : x
  2. Step 2: Convert to fraction form
    2,810,430.23/4,216,047.48 = 865,323.38/x
  3. Step 3: Cross multiply
    2,810,430.23x = 4,216,047.48 × 865,323.38
  4. Step 4: Simplify right side
    2,810,430.23x = 3,648,244,455,634.08
  5. Step 5: Solve for x
    x = 3,648,244,455,634.08/2,810,430.23
  6. Step 6: Final answer
    x = 1,298,108.89

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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.