Home / 1,603,137.85-2,406,327.14-1,421,956.58

Finding the Fourth Proportional to 1,603,137.85, 2,406,327.14 and 1,421,956.58

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Solution

The fourth proportional to 1,603,137.85, 2,406,327.14 and 1,421,956.58 is: 2,134,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,137.85 : 2,406,327.14 = 1,421,956.58 : x
  2. Step 2: Convert to fraction form
    1,603,137.85/2,406,327.14 = 1,421,956.58/x
  3. Step 3: Cross multiply
    1,603,137.85x = 2,406,327.14 × 1,421,956.58
  4. Step 4: Simplify right side
    1,603,137.85x = 3,421,692,701,878.84
  5. Step 5: Solve for x
    x = 3,421,692,701,878.84/1,603,137.85
  6. Step 6: Final answer
    x = 2,134,372.10

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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.