Home / 1,657,128.51-2,473,595.15-1,421,982.27

Finding the Fourth Proportional to 1,657,128.51, 2,473,595.15 and 1,421,982.27

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Solution

The fourth proportional to 1,657,128.51, 2,473,595.15 and 1,421,982.27 is: 2,122,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,128.51 : 2,473,595.15 = 1,421,982.27 : x
  2. Step 2: Convert to fraction form
    1,657,128.51/2,473,595.15 = 1,421,982.27/x
  3. Step 3: Cross multiply
    1,657,128.51x = 2,473,595.15 × 1,421,982.27
  4. Step 4: Simplify right side
    1,657,128.51x = 3,517,408,439,348.08
  5. Step 5: Solve for x
    x = 3,517,408,439,348.08/1,657,128.51
  6. Step 6: Final answer
    x = 2,122,592.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.