Home / 2,020,869.63-2,784,062.90-1,407,913.67

Finding the Fourth Proportional to 2,020,869.63, 2,784,062.90 and 1,407,913.67

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Solution

The fourth proportional to 2,020,869.63, 2,784,062.90 and 1,407,913.67 is: 1,939,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,869.63 : 2,784,062.90 = 1,407,913.67 : x
  2. Step 2: Convert to fraction form
    2,020,869.63/2,784,062.90 = 1,407,913.67/x
  3. Step 3: Cross multiply
    2,020,869.63x = 2,784,062.90 × 1,407,913.67
  4. Step 4: Simplify right side
    2,020,869.63x = 3,919,720,194,089.96
  5. Step 5: Solve for x
    x = 3,919,720,194,089.96/2,020,869.63
  6. Step 6: Final answer
    x = 1,939,620.52

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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.