Home / 4,679,859.60-7,017,715.80-2,156,288.40

Finding the Fourth Proportional to 4,679,859.60, 7,017,715.80 and 2,156,288.40

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Solution

The fourth proportional to 4,679,859.60, 7,017,715.80 and 2,156,288.40 is: 3,233,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,859.60 : 7,017,715.80 = 2,156,288.40 : x
  2. Step 2: Convert to fraction form
    4,679,859.60/7,017,715.80 = 2,156,288.40/x
  3. Step 3: Cross multiply
    4,679,859.60x = 7,017,715.80 × 2,156,288.40
  4. Step 4: Simplify right side
    4,679,859.60x = 15,132,219,174,036.72
  5. Step 5: Solve for x
    x = 15,132,219,174,036.72/4,679,859.60
  6. Step 6: Final answer
    x = 3,233,477.17

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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.