Home / 5,427,378.80-8,141,068.20-1,640,466.80

Finding the Fourth Proportional to 5,427,378.80, 8,141,068.20 and 1,640,466.80

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Solution

The fourth proportional to 5,427,378.80, 8,141,068.20 and 1,640,466.80 is: 2,460,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,378.80 : 8,141,068.20 = 1,640,466.80 : x
  2. Step 2: Convert to fraction form
    5,427,378.80/8,141,068.20 = 1,640,466.80/x
  3. Step 3: Cross multiply
    5,427,378.80x = 8,141,068.20 × 1,640,466.80
  4. Step 4: Simplify right side
    5,427,378.80x = 13,355,152,098,635.76
  5. Step 5: Solve for x
    x = 13,355,152,098,635.76/5,427,378.80
  6. Step 6: Final answer
    x = 2,460,700.20

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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.