Home / 1,808,901.60-2,709,415.80-1,097,689.20

Finding the Fourth Proportional to 1,808,901.60, 2,709,415.80 and 1,097,689.20

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Solution

The fourth proportional to 1,808,901.60, 2,709,415.80 and 1,097,689.20 is: 1,644,144.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,901.60 : 2,709,415.80 = 1,097,689.20 : x
  2. Step 2: Convert to fraction form
    1,808,901.60/2,709,415.80 = 1,097,689.20/x
  3. Step 3: Cross multiply
    1,808,901.60x = 2,709,415.80 × 1,097,689.20
  4. Step 4: Simplify right side
    1,808,901.60x = 2,974,096,461,969.36
  5. Step 5: Solve for x
    x = 2,974,096,461,969.36/1,808,901.60
  6. Step 6: Final answer
    x = 1,644,144.97

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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.