Home / 4,089,819.60-6,134,729.40-1,249,927.20

Finding the Fourth Proportional to 4,089,819.60, 6,134,729.40 and 1,249,927.20

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Solution

The fourth proportional to 4,089,819.60, 6,134,729.40 and 1,249,927.20 is: 1,874,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089,819.60 : 6,134,729.40 = 1,249,927.20 : x
  2. Step 2: Convert to fraction form
    4,089,819.60/6,134,729.40 = 1,249,927.20/x
  3. Step 3: Cross multiply
    4,089,819.60x = 6,134,729.40 × 1,249,927.20
  4. Step 4: Simplify right side
    4,089,819.60x = 7,667,965,141,699.68
  5. Step 5: Solve for x
    x = 7,667,965,141,699.68/4,089,819.60
  6. Step 6: Final answer
    x = 1,874,890.80

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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.