Home / 2,130,193.16-2,939,704.56-1,303,404.64

Finding the Fourth Proportional to 2,130,193.16, 2,939,704.56 and 1,303,404.64

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Solution

The fourth proportional to 2,130,193.16, 2,939,704.56 and 1,303,404.64 is: 1,798,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,193.16 : 2,939,704.56 = 1,303,404.64 : x
  2. Step 2: Convert to fraction form
    2,130,193.16/2,939,704.56 = 1,303,404.64/x
  3. Step 3: Cross multiply
    2,130,193.16x = 2,939,704.56 × 1,303,404.64
  4. Step 4: Simplify right side
    2,130,193.16x = 3,831,624,563,733.16
  5. Step 5: Solve for x
    x = 3,831,624,563,733.16/2,130,193.16
  6. Step 6: Final answer
    x = 1,798,721.65

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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.