Home / 5,128,055.47-7,688,666.31-2,823,633.73

Finding the Fourth Proportional to 5,128,055.47, 7,688,666.31 and 2,823,633.73

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Solution

The fourth proportional to 5,128,055.47, 7,688,666.31 and 2,823,633.73 is: 4,233,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,055.47 : 7,688,666.31 = 2,823,633.73 : x
  2. Step 2: Convert to fraction form
    5,128,055.47/7,688,666.31 = 2,823,633.73/x
  3. Step 3: Cross multiply
    5,128,055.47x = 7,688,666.31 × 2,823,633.73
  4. Step 4: Simplify right side
    5,128,055.47x = 21,709,977,531,630.64
  5. Step 5: Solve for x
    x = 21,709,977,531,630.64/5,128,055.47
  6. Step 6: Final answer
    x = 4,233,569.17

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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.