Home / 2,579,484.81-3,869,222.64-686,226.24

Finding the Fourth Proportional to 2,579,484.81, 3,869,222.64 and 686,226.24

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Solution

The fourth proportional to 2,579,484.81, 3,869,222.64 and 686,226.24 is: 1,029,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579,484.81 : 3,869,222.64 = 686,226.24 : x
  2. Step 2: Convert to fraction form
    2,579,484.81/3,869,222.64 = 686,226.24/x
  3. Step 3: Cross multiply
    2,579,484.81x = 3,869,222.64 × 686,226.24
  4. Step 4: Simplify right side
    2,579,484.81x = 2,655,162,103,970.07
  5. Step 5: Solve for x
    x = 2,655,162,103,970.07/2,579,484.81
  6. Step 6: Final answer
    x = 1,029,338.14

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Double scale
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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.