Home / 5,509,520.16-8,264,755.44-1,520,432.16

Finding the Fourth Proportional to 5,509,520.16, 8,264,755.44 and 1,520,432.16

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Solution

The fourth proportional to 5,509,520.16, 8,264,755.44 and 1,520,432.16 is: 2,280,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509,520.16 : 8,264,755.44 = 1,520,432.16 : x
  2. Step 2: Convert to fraction form
    5,509,520.16/8,264,755.44 = 1,520,432.16/x
  3. Step 3: Cross multiply
    5,509,520.16x = 8,264,755.44 × 1,520,432.16
  4. Step 4: Simplify right side
    5,509,520.16x = 12,565,999,965,510.95
  5. Step 5: Solve for x
    x = 12,565,999,965,510.95/5,509,520.16
  6. Step 6: Final answer
    x = 2,280,779.38

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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.