Home / 3,105,548-4,285,721.88-1,747,421

Finding the Fourth Proportional to 3,105,548, 4,285,721.88 and 1,747,421

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Solution

The fourth proportional to 3,105,548, 4,285,721.88 and 1,747,421 is: 2,411,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,548 : 4,285,721.88 = 1,747,421 : x
  2. Step 2: Convert to fraction form
    3,105,548/4,285,721.88 = 1,747,421/x
  3. Step 3: Cross multiply
    3,105,548x = 4,285,721.88 × 1,747,421
  4. Step 4: Simplify right side
    3,105,548x = 7,488,960,413,271.48
  5. Step 5: Solve for x
    x = 7,488,960,413,271.48/3,105,548
  6. Step 6: Final answer
    x = 2,411,477.91

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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.