Home / 2,897,989.60-4,343,485.20-1,477,314.40

Finding the Fourth Proportional to 2,897,989.60, 4,343,485.20 and 1,477,314.40

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Solution

The fourth proportional to 2,897,989.60, 4,343,485.20 and 1,477,314.40 is: 2,214,187.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897,989.60 : 4,343,485.20 = 1,477,314.40 : x
  2. Step 2: Convert to fraction form
    2,897,989.60/4,343,485.20 = 1,477,314.40/x
  3. Step 3: Cross multiply
    2,897,989.60x = 4,343,485.20 × 1,477,314.40
  4. Step 4: Simplify right side
    2,897,989.60x = 6,416,693,232,146.88
  5. Step 5: Solve for x
    x = 6,416,693,232,146.88/2,897,989.60
  6. Step 6: Final answer
    x = 2,214,187.81

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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.