Home / 1,778,551.30-2,449,225.38-1,545,873.94

Finding the Fourth Proportional to 1,778,551.30, 2,449,225.38 and 1,545,873.94

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Solution

The fourth proportional to 1,778,551.30, 2,449,225.38 and 1,545,873.94 is: 2,128,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,551.30 : 2,449,225.38 = 1,545,873.94 : x
  2. Step 2: Convert to fraction form
    1,778,551.30/2,449,225.38 = 1,545,873.94/x
  3. Step 3: Cross multiply
    1,778,551.30x = 2,449,225.38 × 1,545,873.94
  4. Step 4: Simplify right side
    1,778,551.30x = 3,786,193,688,128.60
  5. Step 5: Solve for x
    x = 3,786,193,688,128.60/1,778,551.30
  6. Step 6: Final answer
    x = 2,128,807.69

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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.