Home / 2,630,905-3,630,652.14-1,423,681

Finding the Fourth Proportional to 2,630,905, 3,630,652.14 and 1,423,681

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Solution

The fourth proportional to 2,630,905, 3,630,652.14 and 1,423,681 is: 1,964,681.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,905 : 3,630,652.14 = 1,423,681 : x
  2. Step 2: Convert to fraction form
    2,630,905/3,630,652.14 = 1,423,681/x
  3. Step 3: Cross multiply
    2,630,905x = 3,630,652.14 × 1,423,681
  4. Step 4: Simplify right side
    2,630,905x = 5,168,890,469,327.34
  5. Step 5: Solve for x
    x = 5,168,890,469,327.34/2,630,905
  6. Step 6: Final answer
    x = 1,964,681.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.