Home / 5,280,221.01-7,920,264.60-1,685,942.40

Finding the Fourth Proportional to 5,280,221.01, 7,920,264.60 and 1,685,942.40

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Solution

The fourth proportional to 5,280,221.01, 7,920,264.60 and 1,685,942.40 is: 2,528,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,221.01 : 7,920,264.60 = 1,685,942.40 : x
  2. Step 2: Convert to fraction form
    5,280,221.01/7,920,264.60 = 1,685,942.40/x
  3. Step 3: Cross multiply
    5,280,221.01x = 7,920,264.60 × 1,685,942.40
  4. Step 4: Simplify right side
    5,280,221.01x = 13,353,109,908,359.04
  5. Step 5: Solve for x
    x = 13,353,109,908,359.04/5,280,221.01
  6. Step 6: Final answer
    x = 2,528,892.23

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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.