Home / 2,133,671.83-2,942,501.88-1,398,358.26

Finding the Fourth Proportional to 2,133,671.83, 2,942,501.88 and 1,398,358.26

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Solution

The fourth proportional to 2,133,671.83, 2,942,501.88 and 1,398,358.26 is: 1,928,446.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,671.83 : 2,942,501.88 = 1,398,358.26 : x
  2. Step 2: Convert to fraction form
    2,133,671.83/2,942,501.88 = 1,398,358.26/x
  3. Step 3: Cross multiply
    2,133,671.83x = 2,942,501.88 × 1,398,358.26
  4. Step 4: Simplify right side
    2,133,671.83x = 4,114,671,805,931.59
  5. Step 5: Solve for x
    x = 4,114,671,805,931.59/2,133,671.83
  6. Step 6: Final answer
    x = 1,928,446.42

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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.