Home / 2,190,180.95-3,022,417.55-1,223,325.35

Finding the Fourth Proportional to 2,190,180.95, 3,022,417.55 and 1,223,325.35

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Solution

The fourth proportional to 2,190,180.95, 3,022,417.55 and 1,223,325.35 is: 1,688,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,180.95 : 3,022,417.55 = 1,223,325.35 : x
  2. Step 2: Convert to fraction form
    2,190,180.95/3,022,417.55 = 1,223,325.35/x
  3. Step 3: Cross multiply
    2,190,180.95x = 3,022,417.55 × 1,223,325.35
  4. Step 4: Simplify right side
    2,190,180.95x = 3,697,400,001,083.27
  5. Step 5: Solve for x
    x = 3,697,400,001,083.27/2,190,180.95
  6. Step 6: Final answer
    x = 1,688,171.02

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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.