Home / 5,216,999.80-7,825,499.70-3,705,345.40

Finding the Fourth Proportional to 5,216,999.80, 7,825,499.70 and 3,705,345.40

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Solution

The fourth proportional to 5,216,999.80, 7,825,499.70 and 3,705,345.40 is: 5,558,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216,999.80 : 7,825,499.70 = 3,705,345.40 : x
  2. Step 2: Convert to fraction form
    5,216,999.80/7,825,499.70 = 3,705,345.40/x
  3. Step 3: Cross multiply
    5,216,999.80x = 7,825,499.70 × 3,705,345.40
  4. Step 4: Simplify right side
    5,216,999.80x = 28,996,179,316,096.38
  5. Step 5: Solve for x
    x = 28,996,179,316,096.38/5,216,999.80
  6. Step 6: Final answer
    x = 5,558,018.10

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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.