Home / 5,174,256.96-7,140,852-2,999,361.60

Finding the Fourth Proportional to 5,174,256.96, 7,140,852 and 2,999,361.60

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Solution

The fourth proportional to 5,174,256.96, 7,140,852 and 2,999,361.60 is: 4,139,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174,256.96 : 7,140,852 = 2,999,361.60 : x
  2. Step 2: Convert to fraction form
    5,174,256.96/7,140,852 = 2,999,361.60/x
  3. Step 3: Cross multiply
    5,174,256.96x = 7,140,852 × 2,999,361.60
  4. Step 4: Simplify right side
    5,174,256.96x = 21,417,997,280,083.20
  5. Step 5: Solve for x
    x = 21,417,997,280,083.20/5,174,256.96
  6. Step 6: Final answer
    x = 4,139,337.77

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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.