Home / 2,981,338.21-4,116,803.93-2,884,931.51

Finding the Fourth Proportional to 2,981,338.21, 4,116,803.93 and 2,884,931.51

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Solution

The fourth proportional to 2,981,338.21, 4,116,803.93 and 2,884,931.51 is: 3,983,679.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,338.21 : 4,116,803.93 = 2,884,931.51 : x
  2. Step 2: Convert to fraction form
    2,981,338.21/4,116,803.93 = 2,884,931.51/x
  3. Step 3: Cross multiply
    2,981,338.21x = 4,116,803.93 × 2,884,931.51
  4. Step 4: Simplify right side
    2,981,338.21x = 11,876,697,357,564.81
  5. Step 5: Solve for x
    x = 11,876,697,357,564.81/2,981,338.21
  6. Step 6: Final answer
    x = 3,983,679.99

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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.