Home / 1,869,856.95-2,801,931.36-1,110,202.50

Finding the Fourth Proportional to 1,869,856.95, 2,801,931.36 and 1,110,202.50

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Solution

The fourth proportional to 1,869,856.95, 2,801,931.36 and 1,110,202.50 is: 1,663,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,856.95 : 2,801,931.36 = 1,110,202.50 : x
  2. Step 2: Convert to fraction form
    1,869,856.95/2,801,931.36 = 1,110,202.50/x
  3. Step 3: Cross multiply
    1,869,856.95x = 2,801,931.36 × 1,110,202.50
  4. Step 4: Simplify right side
    1,869,856.95x = 3,110,711,200,700.40
  5. Step 5: Solve for x
    x = 3,110,711,200,700.40/1,869,856.95
  6. Step 6: Final answer
    x = 1,663,609.19

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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.