Home / 2,803,712.30-3,869,236.86-1,580,069.40

Finding the Fourth Proportional to 2,803,712.30, 3,869,236.86 and 1,580,069.40

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Solution

The fourth proportional to 2,803,712.30, 3,869,236.86 and 1,580,069.40 is: 2,180,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803,712.30 : 3,869,236.86 = 1,580,069.40 : x
  2. Step 2: Convert to fraction form
    2,803,712.30/3,869,236.86 = 1,580,069.40/x
  3. Step 3: Cross multiply
    2,803,712.30x = 3,869,236.86 × 1,580,069.40
  4. Step 4: Simplify right side
    2,803,712.30x = 6,113,662,743,403.19
  5. Step 5: Solve for x
    x = 6,113,662,743,403.19/2,803,712.30
  6. Step 6: Final answer
    x = 2,180,559.95

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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.