Home / 2,127,820.18-2,937,297.90-1,430,505.41

Finding the Fourth Proportional to 2,127,820.18, 2,937,297.90 and 1,430,505.41

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Solution

The fourth proportional to 2,127,820.18, 2,937,297.90 and 1,430,505.41 is: 1,974,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,820.18 : 2,937,297.90 = 1,430,505.41 : x
  2. Step 2: Convert to fraction form
    2,127,820.18/2,937,297.90 = 1,430,505.41/x
  3. Step 3: Cross multiply
    2,127,820.18x = 2,937,297.90 × 1,430,505.41
  4. Step 4: Simplify right side
    2,127,820.18x = 4,201,820,544,074.88
  5. Step 5: Solve for x
    x = 4,201,820,544,074.88/2,127,820.18
  6. Step 6: Final answer
    x = 1,974,706.60

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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.