Home / 1,899,376.04-2,621,139.30-1,039,991.72

Finding the Fourth Proportional to 1,899,376.04, 2,621,139.30 and 1,039,991.72

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Solution

The fourth proportional to 1,899,376.04, 2,621,139.30 and 1,039,991.72 is: 1,435,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,376.04 : 2,621,139.30 = 1,039,991.72 : x
  2. Step 2: Convert to fraction form
    1,899,376.04/2,621,139.30 = 1,039,991.72/x
  3. Step 3: Cross multiply
    1,899,376.04x = 2,621,139.30 × 1,039,991.72
  4. Step 4: Simplify right side
    1,899,376.04x = 2,725,963,168,966.60
  5. Step 5: Solve for x
    x = 2,725,963,168,966.60/1,899,376.04
  6. Step 6: Final answer
    x = 1,435,188.77

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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.