Home / 2,235,490-3,084,976.56-1,216,902.40

Finding the Fourth Proportional to 2,235,490, 3,084,976.56 and 1,216,902.40

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Solution

The fourth proportional to 2,235,490, 3,084,976.56 and 1,216,902.40 is: 1,679,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235,490 : 3,084,976.56 = 1,216,902.40 : x
  2. Step 2: Convert to fraction form
    2,235,490/3,084,976.56 = 1,216,902.40/x
  3. Step 3: Cross multiply
    2,235,490x = 3,084,976.56 × 1,216,902.40
  4. Step 4: Simplify right side
    2,235,490x = 3,754,115,379,807.74
  5. Step 5: Solve for x
    x = 3,754,115,379,807.74/2,235,490
  6. Step 6: Final answer
    x = 1,679,325.51

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1.5x scale

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.