Home / 2,926,745.60-4,390,118.40-1,243,630.40

Finding the Fourth Proportional to 2,926,745.60, 4,390,118.40 and 1,243,630.40

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Solution

The fourth proportional to 2,926,745.60, 4,390,118.40 and 1,243,630.40 is: 1,865,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926,745.60 : 4,390,118.40 = 1,243,630.40 : x
  2. Step 2: Convert to fraction form
    2,926,745.60/4,390,118.40 = 1,243,630.40/x
  3. Step 3: Cross multiply
    2,926,745.60x = 4,390,118.40 × 1,243,630.40
  4. Step 4: Simplify right side
    2,926,745.60x = 5,459,684,701,839.36
  5. Step 5: Solve for x
    x = 5,459,684,701,839.36/2,926,745.60
  6. Step 6: Final answer
    x = 1,865,445.60

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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.