Home / 5,390,085.60-8,082,175.95-2,191,598.10

Finding the Fourth Proportional to 5,390,085.60, 8,082,175.95 and 2,191,598.10

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Solution

The fourth proportional to 5,390,085.60, 8,082,175.95 and 2,191,598.10 is: 3,286,196.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,085.60 : 8,082,175.95 = 2,191,598.10 : x
  2. Step 2: Convert to fraction form
    5,390,085.60/8,082,175.95 = 2,191,598.10/x
  3. Step 3: Cross multiply
    5,390,085.60x = 8,082,175.95 × 2,191,598.10
  4. Step 4: Simplify right side
    5,390,085.60x = 17,712,881,455,885.70
  5. Step 5: Solve for x
    x = 17,712,881,455,885.70/5,390,085.60
  6. Step 6: Final answer
    x = 3,286,196.69

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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.