Home / 1,630,509.40-2,442,811.65-1,394,313.40

Finding the Fourth Proportional to 1,630,509.40, 2,442,811.65 and 1,394,313.40

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Solution

The fourth proportional to 1,630,509.40, 2,442,811.65 and 1,394,313.40 is: 2,088,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,509.40 : 2,442,811.65 = 1,394,313.40 : x
  2. Step 2: Convert to fraction form
    1,630,509.40/2,442,811.65 = 1,394,313.40/x
  3. Step 3: Cross multiply
    1,630,509.40x = 2,442,811.65 × 1,394,313.40
  4. Step 4: Simplify right side
    1,630,509.40x = 3,406,045,017,271.11
  5. Step 5: Solve for x
    x = 3,406,045,017,271.11/1,630,509.40
  6. Step 6: Final answer
    x = 2,088,945.34

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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.