Home / 5,459,929.60-8,189,894.40-1,672,920.40

Finding the Fourth Proportional to 5,459,929.60, 8,189,894.40 and 1,672,920.40

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Solution

The fourth proportional to 5,459,929.60, 8,189,894.40 and 1,672,920.40 is: 2,509,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,929.60 : 8,189,894.40 = 1,672,920.40 : x
  2. Step 2: Convert to fraction form
    5,459,929.60/8,189,894.40 = 1,672,920.40/x
  3. Step 3: Cross multiply
    5,459,929.60x = 8,189,894.40 × 1,672,920.40
  4. Step 4: Simplify right side
    5,459,929.60x = 13,701,041,415,605.76
  5. Step 5: Solve for x
    x = 13,701,041,415,605.76/5,459,929.60
  6. Step 6: Final answer
    x = 2,509,380.60

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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.