Home / 1,859,079.30-2,788,618.95-1,221,350.10

Finding the Fourth Proportional to 1,859,079.30, 2,788,618.95 and 1,221,350.10

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Solution

The fourth proportional to 1,859,079.30, 2,788,618.95 and 1,221,350.10 is: 1,832,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859,079.30 : 2,788,618.95 = 1,221,350.10 : x
  2. Step 2: Convert to fraction form
    1,859,079.30/2,788,618.95 = 1,221,350.10/x
  3. Step 3: Cross multiply
    1,859,079.30x = 2,788,618.95 × 1,221,350.10
  4. Step 4: Simplify right side
    1,859,079.30x = 3,405,880,033,444.40
  5. Step 5: Solve for x
    x = 3,405,880,033,444.40/1,859,079.30
  6. Step 6: Final answer
    x = 1,832,025.15

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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.