Home / 3,090,896.81-4,636,566.59-816,398.54

Finding the Fourth Proportional to 3,090,896.81, 4,636,566.59 and 816,398.54

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Solution

The fourth proportional to 3,090,896.81, 4,636,566.59 and 816,398.54 is: 1,224,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090,896.81 : 4,636,566.59 = 816,398.54 : x
  2. Step 2: Convert to fraction form
    3,090,896.81/4,636,566.59 = 816,398.54/x
  3. Step 3: Cross multiply
    3,090,896.81x = 4,636,566.59 × 816,398.54
  4. Step 4: Simplify right side
    3,090,896.81x = 3,785,286,194,688.78
  5. Step 5: Solve for x
    x = 3,785,286,194,688.78/3,090,896.81
  6. Step 6: Final answer
    x = 1,224,656.28

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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.