Home / 2,118,200.90-3,173,802.15-1,803,272.90

Finding the Fourth Proportional to 2,118,200.90, 3,173,802.15 and 1,803,272.90

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Solution

The fourth proportional to 2,118,200.90, 3,173,802.15 and 1,803,272.90 is: 2,701,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,200.90 : 3,173,802.15 = 1,803,272.90 : x
  2. Step 2: Convert to fraction form
    2,118,200.90/3,173,802.15 = 1,803,272.90/x
  3. Step 3: Cross multiply
    2,118,200.90x = 3,173,802.15 × 1,803,272.90
  4. Step 4: Simplify right side
    2,118,200.90x = 5,723,231,407,056.74
  5. Step 5: Solve for x
    x = 5,723,231,407,056.74/2,118,200.90
  6. Step 6: Final answer
    x = 2,701,930.40

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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.