Home / 2,989,613.70-4,484,420.55-2,871,515.70

Finding the Fourth Proportional to 2,989,613.70, 4,484,420.55 and 2,871,515.70

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Solution

The fourth proportional to 2,989,613.70, 4,484,420.55 and 2,871,515.70 is: 4,307,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,613.70 : 4,484,420.55 = 2,871,515.70 : x
  2. Step 2: Convert to fraction form
    2,989,613.70/4,484,420.55 = 2,871,515.70/x
  3. Step 3: Cross multiply
    2,989,613.70x = 4,484,420.55 × 2,871,515.70
  4. Step 4: Simplify right side
    2,989,613.70x = 12,877,084,014,727.63
  5. Step 5: Solve for x
    x = 12,877,084,014,727.63/2,989,613.70
  6. Step 6: Final answer
    x = 4,307,273.55

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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.