Home / 4,675,008.40-7,013,213.40-1,979,328.40

Finding the Fourth Proportional to 4,675,008.40, 7,013,213.40 and 1,979,328.40

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Solution

The fourth proportional to 4,675,008.40, 7,013,213.40 and 1,979,328.40 is: 2,969,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675,008.40 : 7,013,213.40 = 1,979,328.40 : x
  2. Step 2: Convert to fraction form
    4,675,008.40/7,013,213.40 = 1,979,328.40/x
  3. Step 3: Cross multiply
    4,675,008.40x = 7,013,213.40 × 1,979,328.40
  4. Step 4: Simplify right side
    4,675,008.40x = 13,881,452,457,880.56
  5. Step 5: Solve for x
    x = 13,881,452,457,880.56/4,675,008.40
  6. Step 6: Final answer
    x = 2,969,289.31

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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.