Home / 4,090,307.20-6,130,852.80-1,961,411.20

Finding the Fourth Proportional to 4,090,307.20, 6,130,852.80 and 1,961,411.20

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Solution

The fourth proportional to 4,090,307.20, 6,130,852.80 and 1,961,411.20 is: 2,939,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090,307.20 : 6,130,852.80 = 1,961,411.20 : x
  2. Step 2: Convert to fraction form
    4,090,307.20/6,130,852.80 = 1,961,411.20/x
  3. Step 3: Cross multiply
    4,090,307.20x = 6,130,852.80 × 1,961,411.20
  4. Step 4: Simplify right side
    4,090,307.20x = 12,025,123,347,471.36
  5. Step 5: Solve for x
    x = 12,025,123,347,471.36/4,090,307.20
  6. Step 6: Final answer
    x = 2,939,907.14

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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.