Home / 5,107,901.30-7,048,857.08-2,816,061.98

Finding the Fourth Proportional to 5,107,901.30, 7,048,857.08 and 2,816,061.98

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Solution

The fourth proportional to 5,107,901.30, 7,048,857.08 and 2,816,061.98 is: 3,886,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,901.30 : 7,048,857.08 = 2,816,061.98 : x
  2. Step 2: Convert to fraction form
    5,107,901.30/7,048,857.08 = 2,816,061.98/x
  3. Step 3: Cross multiply
    5,107,901.30x = 7,048,857.08 × 2,816,061.98
  4. Step 4: Simplify right side
    5,107,901.30x = 19,850,018,376,117.22
  5. Step 5: Solve for x
    x = 19,850,018,376,117.22/5,107,901.30
  6. Step 6: Final answer
    x = 3,886,139.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.