Home / 3,280,303.60-4,920,455.40-3,154,332.40

Finding the Fourth Proportional to 3,280,303.60, 4,920,455.40 and 3,154,332.40

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Solution

The fourth proportional to 3,280,303.60, 4,920,455.40 and 3,154,332.40 is: 4,731,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,303.60 : 4,920,455.40 = 3,154,332.40 : x
  2. Step 2: Convert to fraction form
    3,280,303.60/4,920,455.40 = 3,154,332.40/x
  3. Step 3: Cross multiply
    3,280,303.60x = 4,920,455.40 × 3,154,332.40
  4. Step 4: Simplify right side
    3,280,303.60x = 15,520,751,890,974.96
  5. Step 5: Solve for x
    x = 15,520,751,890,974.96/3,280,303.60
  6. Step 6: Final answer
    x = 4,731,498.60

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1.5x scale

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.