Home / 3,549,096.60-5,323,644.90-2,128,421.40

Finding the Fourth Proportional to 3,549,096.60, 5,323,644.90 and 2,128,421.40

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Solution

The fourth proportional to 3,549,096.60, 5,323,644.90 and 2,128,421.40 is: 3,192,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,096.60 : 5,323,644.90 = 2,128,421.40 : x
  2. Step 2: Convert to fraction form
    3,549,096.60/5,323,644.90 = 2,128,421.40/x
  3. Step 3: Cross multiply
    3,549,096.60x = 5,323,644.90 × 2,128,421.40
  4. Step 4: Simplify right side
    3,549,096.60x = 11,330,959,731,160.86
  5. Step 5: Solve for x
    x = 11,330,959,731,160.86/3,549,096.60
  6. Step 6: Final answer
    x = 3,192,632.10

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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.