Home / 5,415,237.60-8,125,966.80-2,051,858.40

Finding the Fourth Proportional to 5,415,237.60, 8,125,966.80 and 2,051,858.40

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Solution

The fourth proportional to 5,415,237.60, 8,125,966.80 and 2,051,858.40 is: 3,078,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415,237.60 : 8,125,966.80 = 2,051,858.40 : x
  2. Step 2: Convert to fraction form
    5,415,237.60/8,125,966.80 = 2,051,858.40/x
  3. Step 3: Cross multiply
    5,415,237.60x = 8,125,966.80 × 2,051,858.40
  4. Step 4: Simplify right side
    5,415,237.60x = 16,673,333,236,701.12
  5. Step 5: Solve for x
    x = 16,673,333,236,701.12/5,415,237.60
  6. Step 6: Final answer
    x = 3,078,966.14

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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.