Home / 2,313,784.20-3,478,970.70-1,948,830.60

Finding the Fourth Proportional to 2,313,784.20, 3,478,970.70 and 1,948,830.60

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Solution

The fourth proportional to 2,313,784.20, 3,478,970.70 and 1,948,830.60 is: 2,930,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,313,784.20 : 3,478,970.70 = 1,948,830.60 : x
  2. Step 2: Convert to fraction form
    2,313,784.20/3,478,970.70 = 1,948,830.60/x
  3. Step 3: Cross multiply
    2,313,784.20x = 3,478,970.70 × 1,948,830.60
  4. Step 4: Simplify right side
    2,313,784.20x = 6,779,924,556,663.42
  5. Step 5: Solve for x
    x = 6,779,924,556,663.42/2,313,784.20
  6. Step 6: Final answer
    x = 2,930,232.02

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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.