Home / 3,090,707.10-4,635,988.26-816,390.22

Finding the Fourth Proportional to 3,090,707.10, 4,635,988.26 and 816,390.22

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Solution

The fourth proportional to 3,090,707.10, 4,635,988.26 and 816,390.22 is: 1,224,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,707.10 : 4,635,988.26 = 816,390.22 : x
  2. Step 2: Convert to fraction form
    3,090,707.10/4,635,988.26 = 816,390.22/x
  3. Step 3: Cross multiply
    3,090,707.10x = 4,635,988.26 × 816,390.22
  4. Step 4: Simplify right side
    3,090,707.10x = 3,784,775,475,498.82
  5. Step 5: Solve for x
    x = 3,784,775,475,498.82/3,090,707.10
  6. Step 6: Final answer
    x = 1,224,566.21

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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.