Home / 3,143,628-4,338,206.88-1,712,844

Finding the Fourth Proportional to 3,143,628, 4,338,206.88 and 1,712,844

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Solution

The fourth proportional to 3,143,628, 4,338,206.88 and 1,712,844 is: 2,363,724.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,628 : 4,338,206.88 = 1,712,844 : x
  2. Step 2: Convert to fraction form
    3,143,628/4,338,206.88 = 1,712,844/x
  3. Step 3: Cross multiply
    3,143,628x = 4,338,206.88 × 1,712,844
  4. Step 4: Simplify right side
    3,143,628x = 7,430,671,625,166.72
  5. Step 5: Solve for x
    x = 7,430,671,625,166.72/3,143,628
  6. Step 6: Final answer
    x = 2,363,724.85

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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.