Home / 5,341,821.40-8,012,732.10-1,555,427.80

Finding the Fourth Proportional to 5,341,821.40, 8,012,732.10 and 1,555,427.80

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Solution

The fourth proportional to 5,341,821.40, 8,012,732.10 and 1,555,427.80 is: 2,333,141.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,341,821.40 : 8,012,732.10 = 1,555,427.80 : x
  2. Step 2: Convert to fraction form
    5,341,821.40/8,012,732.10 = 1,555,427.80/x
  3. Step 3: Cross multiply
    5,341,821.40x = 8,012,732.10 × 1,555,427.80
  4. Step 4: Simplify right side
    5,341,821.40x = 12,463,226,262,292.38
  5. Step 5: Solve for x
    x = 12,463,226,262,292.38/5,341,821.40
  6. Step 6: Final answer
    x = 2,333,141.70

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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.