Home / 2,106,905.04-2,907,520.80-1,140,037.20

Finding the Fourth Proportional to 2,106,905.04, 2,907,520.80 and 1,140,037.20

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Solution

The fourth proportional to 2,106,905.04, 2,907,520.80 and 1,140,037.20 is: 1,573,246.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,905.04 : 2,907,520.80 = 1,140,037.20 : x
  2. Step 2: Convert to fraction form
    2,106,905.04/2,907,520.80 = 1,140,037.20/x
  3. Step 3: Cross multiply
    2,106,905.04x = 2,907,520.80 × 1,140,037.20
  4. Step 4: Simplify right side
    2,106,905.04x = 3,314,681,871,773.76
  5. Step 5: Solve for x
    x = 3,314,681,871,773.76/2,106,905.04
  6. Step 6: Final answer
    x = 1,573,246.92

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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.