Home / 1,892,395.32-2,838,633.20-678,051.05

Finding the Fourth Proportional to 1,892,395.32, 2,838,633.20 and 678,051.05

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Solution

The fourth proportional to 1,892,395.32, 2,838,633.20 and 678,051.05 is: 1,017,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,395.32 : 2,838,633.20 = 678,051.05 : x
  2. Step 2: Convert to fraction form
    1,892,395.32/2,838,633.20 = 678,051.05/x
  3. Step 3: Cross multiply
    1,892,395.32x = 2,838,633.20 × 678,051.05
  4. Step 4: Simplify right side
    1,892,395.32x = 1,924,738,210,598.17
  5. Step 5: Solve for x
    x = 1,924,738,210,598.17/1,892,395.32
  6. Step 6: Final answer
    x = 1,017,090.98

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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.