Home / 1,812,987.40-2,721,576.30-973,179.40

Finding the Fourth Proportional to 1,812,987.40, 2,721,576.30 and 973,179.40

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Solution

The fourth proportional to 1,812,987.40, 2,721,576.30 and 973,179.40 is: 1,460,893.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,987.40 : 2,721,576.30 = 973,179.40 : x
  2. Step 2: Convert to fraction form
    1,812,987.40/2,721,576.30 = 973,179.40/x
  3. Step 3: Cross multiply
    1,812,987.40x = 2,721,576.30 × 973,179.40
  4. Step 4: Simplify right side
    1,812,987.40x = 2,648,581,990,688.22
  5. Step 5: Solve for x
    x = 2,648,581,990,688.22/1,812,987.40
  6. Step 6: Final answer
    x = 1,460,893.77

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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.