Home / 2,916,875.78-4,025,289.36-1,610,128.62

Finding the Fourth Proportional to 2,916,875.78, 4,025,289.36 and 1,610,128.62

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Solution

The fourth proportional to 2,916,875.78, 4,025,289.36 and 1,610,128.62 is: 2,221,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,875.78 : 4,025,289.36 = 1,610,128.62 : x
  2. Step 2: Convert to fraction form
    2,916,875.78/4,025,289.36 = 1,610,128.62/x
  3. Step 3: Cross multiply
    2,916,875.78x = 4,025,289.36 × 1,610,128.62
  4. Step 4: Simplify right side
    2,916,875.78x = 6,481,233,602,317.48
  5. Step 5: Solve for x
    x = 6,481,233,602,317.48/2,916,875.78
  6. Step 6: Final answer
    x = 2,221,977.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.