Home / 1,963,362.60-2,943,315.90-1,330,223.40

Finding the Fourth Proportional to 1,963,362.60, 2,943,315.90 and 1,330,223.40

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Solution

The fourth proportional to 1,963,362.60, 2,943,315.90 and 1,330,223.40 is: 1,994,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,362.60 : 2,943,315.90 = 1,330,223.40 : x
  2. Step 2: Convert to fraction form
    1,963,362.60/2,943,315.90 = 1,330,223.40/x
  3. Step 3: Cross multiply
    1,963,362.60x = 2,943,315.90 × 1,330,223.40
  4. Step 4: Simplify right side
    1,963,362.60x = 3,915,267,683,772.06
  5. Step 5: Solve for x
    x = 3,915,267,683,772.06/1,963,362.60
  6. Step 6: Final answer
    x = 1,994,164.34

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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.