Home / 5,280,374.34-7,920,494.69-1,686,095.73

Finding the Fourth Proportional to 5,280,374.34, 7,920,494.69 and 1,686,095.73

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Solution

The fourth proportional to 5,280,374.34, 7,920,494.69 and 1,686,095.73 is: 2,529,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,374.34 : 7,920,494.69 = 1,686,095.73 : x
  2. Step 2: Convert to fraction form
    5,280,374.34/7,920,494.69 = 1,686,095.73/x
  3. Step 3: Cross multiply
    5,280,374.34x = 7,920,494.69 × 1,686,095.73
  4. Step 4: Simplify right side
    5,280,374.34x = 13,354,712,267,866.19
  5. Step 5: Solve for x
    x = 13,354,712,267,866.19/5,280,374.34
  6. Step 6: Final answer
    x = 2,529,122.26

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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.