Home / 4,615,612.40-6,924,698.40-1,921,206.80

Finding the Fourth Proportional to 4,615,612.40, 6,924,698.40 and 1,921,206.80

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Solution

The fourth proportional to 4,615,612.40, 6,924,698.40 and 1,921,206.80 is: 2,882,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615,612.40 : 6,924,698.40 = 1,921,206.80 : x
  2. Step 2: Convert to fraction form
    4,615,612.40/6,924,698.40 = 1,921,206.80/x
  3. Step 3: Cross multiply
    4,615,612.40x = 6,924,698.40 × 1,921,206.80
  4. Step 4: Simplify right side
    4,615,612.40x = 13,303,777,654,029.12
  5. Step 5: Solve for x
    x = 13,303,777,654,029.12/4,615,612.40
  6. Step 6: Final answer
    x = 2,882,342.91

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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.