Home / 1,787,514.90-2,686,521.15-1,556,567.70

Finding the Fourth Proportional to 1,787,514.90, 2,686,521.15 and 1,556,567.70

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Solution

The fourth proportional to 1,787,514.90, 2,686,521.15 and 1,556,567.70 is: 2,339,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,514.90 : 2,686,521.15 = 1,556,567.70 : x
  2. Step 2: Convert to fraction form
    1,787,514.90/2,686,521.15 = 1,556,567.70/x
  3. Step 3: Cross multiply
    1,787,514.90x = 2,686,521.15 × 1,556,567.70
  4. Step 4: Simplify right side
    1,787,514.90x = 4,181,752,047,456.85
  5. Step 5: Solve for x
    x = 4,181,752,047,456.85/1,787,514.90
  6. Step 6: Final answer
    x = 2,339,422.20

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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.