Home / 1,880,355.30-2,820,986.55-618,116.10

Finding the Fourth Proportional to 1,880,355.30, 2,820,986.55 and 618,116.10

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Solution

The fourth proportional to 1,880,355.30, 2,820,986.55 and 618,116.10 is: 927,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880,355.30 : 2,820,986.55 = 618,116.10 : x
  2. Step 2: Convert to fraction form
    1,880,355.30/2,820,986.55 = 618,116.10/x
  3. Step 3: Cross multiply
    1,880,355.30x = 2,820,986.55 × 618,116.10
  4. Step 4: Simplify right side
    1,880,355.30x = 1,743,697,204,438.45
  5. Step 5: Solve for x
    x = 1,743,697,204,438.45/1,880,355.30
  6. Step 6: Final answer
    x = 927,323.26

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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.