Home / 2,891,459.26-3,990,236.07-1,602,320.50

Finding the Fourth Proportional to 2,891,459.26, 3,990,236.07 and 1,602,320.50

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Solution

The fourth proportional to 2,891,459.26, 3,990,236.07 and 1,602,320.50 is: 2,211,214.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,459.26 : 3,990,236.07 = 1,602,320.50 : x
  2. Step 2: Convert to fraction form
    2,891,459.26/3,990,236.07 = 1,602,320.50/x
  3. Step 3: Cross multiply
    2,891,459.26x = 3,990,236.07 × 1,602,320.50
  4. Step 4: Simplify right side
    2,891,459.26x = 6,393,637,054,800.44
  5. Step 5: Solve for x
    x = 6,393,637,054,800.44/2,891,459.26
  6. Step 6: Final answer
    x = 2,211,214.64

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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.