Home / 1,639,205.10-2,458,807.65-1,539,477.90

Finding the Fourth Proportional to 1,639,205.10, 2,458,807.65 and 1,539,477.90

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Solution

The fourth proportional to 1,639,205.10, 2,458,807.65 and 1,539,477.90 is: 2,309,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,205.10 : 2,458,807.65 = 1,539,477.90 : x
  2. Step 2: Convert to fraction form
    1,639,205.10/2,458,807.65 = 1,539,477.90/x
  3. Step 3: Cross multiply
    1,639,205.10x = 2,458,807.65 × 1,539,477.90
  4. Step 4: Simplify right side
    1,639,205.10x = 3,785,280,037,525.93
  5. Step 5: Solve for x
    x = 3,785,280,037,525.93/1,639,205.10
  6. Step 6: Final answer
    x = 2,309,216.85

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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.