Home / 7,307,884.20-10,961,038.80-1,917,075

Finding the Fourth Proportional to 7,307,884.20, 10,961,038.80 and 1,917,075

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Solution

The fourth proportional to 7,307,884.20, 10,961,038.80 and 1,917,075 is: 2,875,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307,884.20 : 10,961,038.80 = 1,917,075 : x
  2. Step 2: Convert to fraction form
    7,307,884.20/10,961,038.80 = 1,917,075/x
  3. Step 3: Cross multiply
    7,307,884.20x = 10,961,038.80 × 1,917,075
  4. Step 4: Simplify right side
    7,307,884.20x = 21,013,133,457,510
  5. Step 5: Solve for x
    x = 21,013,133,457,510/7,307,884.20
  6. Step 6: Final answer
    x = 2,875,405.92

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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.