Home / 1,662,809.90-2,491,262.40-1,556,521.70

Finding the Fourth Proportional to 1,662,809.90, 2,491,262.40 and 1,556,521.70

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Solution

The fourth proportional to 1,662,809.90, 2,491,262.40 and 1,556,521.70 is: 2,332,018.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,809.90 : 2,491,262.40 = 1,556,521.70 : x
  2. Step 2: Convert to fraction form
    1,662,809.90/2,491,262.40 = 1,556,521.70/x
  3. Step 3: Cross multiply
    1,662,809.90x = 2,491,262.40 × 1,556,521.70
  4. Step 4: Simplify right side
    1,662,809.90x = 3,877,703,985,994.08
  5. Step 5: Solve for x
    x = 3,877,703,985,994.08/1,662,809.90
  6. Step 6: Final answer
    x = 2,332,018.82

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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.