Home / 2,857,271.70-4,287,108.51-1,778,686.87

Finding the Fourth Proportional to 2,857,271.70, 4,287,108.51 and 1,778,686.87

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Solution

The fourth proportional to 2,857,271.70, 4,287,108.51 and 1,778,686.87 is: 2,668,777.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,271.70 : 4,287,108.51 = 1,778,686.87 : x
  2. Step 2: Convert to fraction form
    2,857,271.70/4,287,108.51 = 1,778,686.87/x
  3. Step 3: Cross multiply
    2,857,271.70x = 4,287,108.51 × 1,778,686.87
  4. Step 4: Simplify right side
    2,857,271.70x = 7,625,423,617,002.26
  5. Step 5: Solve for x
    x = 7,625,423,617,002.26/2,857,271.70
  6. Step 6: Final answer
    x = 2,668,777.92

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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.