Home / 2,602,082.68-3,887,309.78-1,683,784.16

Finding the Fourth Proportional to 2,602,082.68, 3,887,309.78 and 1,683,784.16

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Solution

The fourth proportional to 2,602,082.68, 3,887,309.78 and 1,683,784.16 is: 2,515,442.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,602,082.68 : 3,887,309.78 = 1,683,784.16 : x
  2. Step 2: Convert to fraction form
    2,602,082.68/3,887,309.78 = 1,683,784.16/x
  3. Step 3: Cross multiply
    2,602,082.68x = 3,887,309.78 × 1,683,784.16
  4. Step 4: Simplify right side
    2,602,082.68x = 6,545,390,625,613.22
  5. Step 5: Solve for x
    x = 6,545,390,625,613.22/2,602,082.68
  6. Step 6: Final answer
    x = 2,515,442.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.