Home / 1,630,485.40-2,442,775.65-1,394,289.40

Finding the Fourth Proportional to 1,630,485.40, 2,442,775.65 and 1,394,289.40

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Solution

The fourth proportional to 1,630,485.40, 2,442,775.65 and 1,394,289.40 is: 2,088,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,485.40 : 2,442,775.65 = 1,394,289.40 : x
  2. Step 2: Convert to fraction form
    1,630,485.40/2,442,775.65 = 1,394,289.40/x
  3. Step 3: Cross multiply
    1,630,485.40x = 2,442,775.65 × 1,394,289.40
  4. Step 4: Simplify right side
    1,630,485.40x = 3,405,936,195,373.11
  5. Step 5: Solve for x
    x = 3,405,936,195,373.11/1,630,485.40
  6. Step 6: Final answer
    x = 2,088,909.35

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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.