Home / 1,899,276.50-2,621,000.36-1,039,836.54

Finding the Fourth Proportional to 1,899,276.50, 2,621,000.36 and 1,039,836.54

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Solution

The fourth proportional to 1,899,276.50, 2,621,000.36 and 1,039,836.54 is: 1,434,973.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,276.50 : 2,621,000.36 = 1,039,836.54 : x
  2. Step 2: Convert to fraction form
    1,899,276.50/2,621,000.36 = 1,039,836.54/x
  3. Step 3: Cross multiply
    1,899,276.50x = 2,621,000.36 × 1,039,836.54
  4. Step 4: Simplify right side
    1,899,276.50x = 2,725,411,945,681.15
  5. Step 5: Solve for x
    x = 2,725,411,945,681.15/1,899,276.50
  6. Step 6: Final answer
    x = 1,434,973.76

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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.