Home / 5,257,877.40-7,886,816.10-1,890,869.40

Finding the Fourth Proportional to 5,257,877.40, 7,886,816.10 and 1,890,869.40

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Solution

The fourth proportional to 5,257,877.40, 7,886,816.10 and 1,890,869.40 is: 2,836,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,877.40 : 7,886,816.10 = 1,890,869.40 : x
  2. Step 2: Convert to fraction form
    5,257,877.40/7,886,816.10 = 1,890,869.40/x
  3. Step 3: Cross multiply
    5,257,877.40x = 7,886,816.10 × 1,890,869.40
  4. Step 4: Simplify right side
    5,257,877.40x = 14,912,939,226,917.34
  5. Step 5: Solve for x
    x = 14,912,939,226,917.34/5,257,877.40
  6. Step 6: Final answer
    x = 2,836,304.10

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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.