Home / 6,472,419.60-9,712,128.60-2,686,285.20

Finding the Fourth Proportional to 6,472,419.60, 9,712,128.60 and 2,686,285.20

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Solution

The fourth proportional to 6,472,419.60, 9,712,128.60 and 2,686,285.20 is: 4,030,880.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,472,419.60 : 9,712,128.60 = 2,686,285.20 : x
  2. Step 2: Convert to fraction form
    6,472,419.60/9,712,128.60 = 2,686,285.20/x
  3. Step 3: Cross multiply
    6,472,419.60x = 9,712,128.60 × 2,686,285.20
  4. Step 4: Simplify right side
    6,472,419.60x = 26,089,547,318,676.72
  5. Step 5: Solve for x
    x = 26,089,547,318,676.72/6,472,419.60
  6. Step 6: Final answer
    x = 4,030,880.09

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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.