Home / 1,920,722.40-2,881,229.40-572,779.53

Finding the Fourth Proportional to 1,920,722.40, 2,881,229.40 and 572,779.53

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Solution

The fourth proportional to 1,920,722.40, 2,881,229.40 and 572,779.53 is: 859,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,722.40 : 2,881,229.40 = 572,779.53 : x
  2. Step 2: Convert to fraction form
    1,920,722.40/2,881,229.40 = 572,779.53/x
  3. Step 3: Cross multiply
    1,920,722.40x = 2,881,229.40 × 572,779.53
  4. Step 4: Simplify right side
    1,920,722.40x = 1,650,309,221,554.18
  5. Step 5: Solve for x
    x = 1,650,309,221,554.18/1,920,722.40
  6. Step 6: Final answer
    x = 859,212.77

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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.