Home / 1,638,878.54-2,260,848.51-1,095,147.81

Finding the Fourth Proportional to 1,638,878.54, 2,260,848.51 and 1,095,147.81

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Solution

The fourth proportional to 1,638,878.54, 2,260,848.51 and 1,095,147.81 is: 1,510,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,878.54 : 2,260,848.51 = 1,095,147.81 : x
  2. Step 2: Convert to fraction form
    1,638,878.54/2,260,848.51 = 1,095,147.81/x
  3. Step 3: Cross multiply
    1,638,878.54x = 2,260,848.51 × 1,095,147.81
  4. Step 4: Simplify right side
    1,638,878.54x = 2,475,963,294,468.26
  5. Step 5: Solve for x
    x = 2,475,963,294,468.26/1,638,878.54
  6. Step 6: Final answer
    x = 1,510,766.81

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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.