Home / 1,909,036.60-2,863,490.10-489,106.60

Finding the Fourth Proportional to 1,909,036.60, 2,863,490.10 and 489,106.60

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Solution

The fourth proportional to 1,909,036.60, 2,863,490.10 and 489,106.60 is: 733,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,036.60 : 2,863,490.10 = 489,106.60 : x
  2. Step 2: Convert to fraction form
    1,909,036.60/2,863,490.10 = 489,106.60/x
  3. Step 3: Cross multiply
    1,909,036.60x = 2,863,490.10 × 489,106.60
  4. Step 4: Simplify right side
    1,909,036.60x = 1,400,551,906,944.66
  5. Step 5: Solve for x
    x = 1,400,551,906,944.66/1,909,036.60
  6. Step 6: Final answer
    x = 733,643.30

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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.