Home / 2,911,518.90-4,366,241.55-1,314,846.90

Finding the Fourth Proportional to 2,911,518.90, 4,366,241.55 and 1,314,846.90

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Solution

The fourth proportional to 2,911,518.90, 4,366,241.55 and 1,314,846.90 is: 1,971,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,518.90 : 4,366,241.55 = 1,314,846.90 : x
  2. Step 2: Convert to fraction form
    2,911,518.90/4,366,241.55 = 1,314,846.90/x
  3. Step 3: Cross multiply
    2,911,518.90x = 4,366,241.55 × 1,314,846.90
  4. Step 4: Simplify right side
    2,911,518.90x = 5,740,939,166,668.69
  5. Step 5: Solve for x
    x = 5,740,939,166,668.69/2,911,518.90
  6. Step 6: Final answer
    x = 1,971,802.13

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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.