Home / 2,141,690.47-3,210,487.81-793,491.23

Finding the Fourth Proportional to 2,141,690.47, 3,210,487.81 and 793,491.23

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Solution

The fourth proportional to 2,141,690.47, 3,210,487.81 and 793,491.23 is: 1,189,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,690.47 : 3,210,487.81 = 793,491.23 : x
  2. Step 2: Convert to fraction form
    2,141,690.47/3,210,487.81 = 793,491.23/x
  3. Step 3: Cross multiply
    2,141,690.47x = 3,210,487.81 × 793,491.23
  4. Step 4: Simplify right side
    2,141,690.47x = 2,547,493,921,256.91
  5. Step 5: Solve for x
    x = 2,547,493,921,256.91/2,141,690.47
  6. Step 6: Final answer
    x = 1,189,478.10

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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.