Home / 5,430,038.90-8,142,652.65-1,834,829.60

Finding the Fourth Proportional to 5,430,038.90, 8,142,652.65 and 1,834,829.60

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Solution

The fourth proportional to 5,430,038.90, 8,142,652.65 and 1,834,829.60 is: 2,751,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,038.90 : 8,142,652.65 = 1,834,829.60 : x
  2. Step 2: Convert to fraction form
    5,430,038.90/8,142,652.65 = 1,834,829.60/x
  3. Step 3: Cross multiply
    5,430,038.90x = 8,142,652.65 × 1,834,829.60
  4. Step 4: Simplify right side
    5,430,038.90x = 14,940,380,104,738.44
  5. Step 5: Solve for x
    x = 14,940,380,104,738.44/5,430,038.90
  6. Step 6: Final answer
    x = 2,751,431.51

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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.