Home / 3,013,324.36-4,158,418.16-1,636,681.38

Finding the Fourth Proportional to 3,013,324.36, 4,158,418.16 and 1,636,681.38

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Solution

The fourth proportional to 3,013,324.36, 4,158,418.16 and 1,636,681.38 is: 2,258,636.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,324.36 : 4,158,418.16 = 1,636,681.38 : x
  2. Step 2: Convert to fraction form
    3,013,324.36/4,158,418.16 = 1,636,681.38/x
  3. Step 3: Cross multiply
    3,013,324.36x = 4,158,418.16 × 1,636,681.38
  4. Step 4: Simplify right side
    3,013,324.36x = 6,806,005,572,725.86
  5. Step 5: Solve for x
    x = 6,806,005,572,725.86/3,013,324.36
  6. Step 6: Final answer
    x = 2,258,636.89

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1.5x scale

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.