Home / 1,892,388.04-2,838,622.27-678,043.76

Finding the Fourth Proportional to 1,892,388.04, 2,838,622.27 and 678,043.76

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Solution

The fourth proportional to 1,892,388.04, 2,838,622.27 and 678,043.76 is: 1,017,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,388.04 : 2,838,622.27 = 678,043.76 : x
  2. Step 2: Convert to fraction form
    1,892,388.04/2,838,622.27 = 678,043.76/x
  3. Step 3: Cross multiply
    1,892,388.04x = 2,838,622.27 × 678,043.76
  4. Step 4: Simplify right side
    1,892,388.04x = 1,924,710,117,170.54
  5. Step 5: Solve for x
    x = 1,924,710,117,170.54/1,892,388.04
  6. Step 6: Final answer
    x = 1,017,080.05

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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.