Home / 2,120,018.40-2,925,359.28-1,433,184.30

Finding the Fourth Proportional to 2,120,018.40, 2,925,359.28 and 1,433,184.30

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Solution

The fourth proportional to 2,120,018.40, 2,925,359.28 and 1,433,184.30 is: 1,977,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,018.40 : 2,925,359.28 = 1,433,184.30 : x
  2. Step 2: Convert to fraction form
    2,120,018.40/2,925,359.28 = 1,433,184.30/x
  3. Step 3: Cross multiply
    2,120,018.40x = 2,925,359.28 × 1,433,184.30
  4. Step 4: Simplify right side
    2,120,018.40x = 4,192,578,991,955.30
  5. Step 5: Solve for x
    x = 4,192,578,991,955.30/2,120,018.40
  6. Step 6: Final answer
    x = 1,977,614.44

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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.