Home / 2,157,345-3,235,176.40-808,772.52

Finding the Fourth Proportional to 2,157,345, 3,235,176.40 and 808,772.52

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Solution

The fourth proportional to 2,157,345, 3,235,176.40 and 808,772.52 is: 1,212,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,345 : 3,235,176.40 = 808,772.52 : x
  2. Step 2: Convert to fraction form
    2,157,345/3,235,176.40 = 808,772.52/x
  3. Step 3: Cross multiply
    2,157,345x = 3,235,176.40 × 808,772.52
  4. Step 4: Simplify right side
    2,157,345x = 2,616,521,769,672.53
  5. Step 5: Solve for x
    x = 2,616,521,769,672.53/2,157,345
  6. Step 6: Final answer
    x = 1,212,843.46

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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.