Home / 2,920,005.76-4,029,564.48-1,630,867.84

Finding the Fourth Proportional to 2,920,005.76, 4,029,564.48 and 1,630,867.84

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Solution

The fourth proportional to 2,920,005.76, 4,029,564.48 and 1,630,867.84 is: 2,250,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,920,005.76 : 4,029,564.48 = 1,630,867.84 : x
  2. Step 2: Convert to fraction form
    2,920,005.76/4,029,564.48 = 1,630,867.84/x
  3. Step 3: Cross multiply
    2,920,005.76x = 4,029,564.48 × 1,630,867.84
  4. Step 4: Simplify right side
    2,920,005.76x = 6,571,687,119,638.32
  5. Step 5: Solve for x
    x = 6,571,687,119,638.32/2,920,005.76
  6. Step 6: Final answer
    x = 2,250,573.34

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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.