Home / 4,287,035.89-6,429,199.47-1,407,928.29

Finding the Fourth Proportional to 4,287,035.89, 6,429,199.47 and 1,407,928.29

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Solution

The fourth proportional to 4,287,035.89, 6,429,199.47 and 1,407,928.29 is: 2,111,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287,035.89 : 6,429,199.47 = 1,407,928.29 : x
  2. Step 2: Convert to fraction form
    4,287,035.89/6,429,199.47 = 1,407,928.29/x
  3. Step 3: Cross multiply
    4,287,035.89x = 6,429,199.47 × 1,407,928.29
  4. Step 4: Simplify right side
    4,287,035.89x = 9,051,851,815,866.01
  5. Step 5: Solve for x
    x = 9,051,851,815,866.01/4,287,035.89
  6. Step 6: Final answer
    x = 2,111,447.64

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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.