Home / 2,924,902.40-4,385,582.16-1,912,802.72

Finding the Fourth Proportional to 2,924,902.40, 4,385,582.16 and 1,912,802.72

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Solution

The fourth proportional to 2,924,902.40, 4,385,582.16 and 1,912,802.72 is: 2,868,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924,902.40 : 4,385,582.16 = 1,912,802.72 : x
  2. Step 2: Convert to fraction form
    2,924,902.40/4,385,582.16 = 1,912,802.72/x
  3. Step 3: Cross multiply
    2,924,902.40x = 4,385,582.16 × 1,912,802.72
  4. Step 4: Simplify right side
    2,924,902.40x = 8,388,753,484,431.48
  5. Step 5: Solve for x
    x = 8,388,753,484,431.48/2,924,902.40
  6. Step 6: Final answer
    x = 2,868,045.61

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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.