Home / 2,137,130.60-3,205,695.90-874,538.60

Finding the Fourth Proportional to 2,137,130.60, 3,205,695.90 and 874,538.60

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Solution

The fourth proportional to 2,137,130.60, 3,205,695.90 and 874,538.60 is: 1,311,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,130.60 : 3,205,695.90 = 874,538.60 : x
  2. Step 2: Convert to fraction form
    2,137,130.60/3,205,695.90 = 874,538.60/x
  3. Step 3: Cross multiply
    2,137,130.60x = 3,205,695.90 × 874,538.60
  4. Step 4: Simplify right side
    2,137,130.60x = 2,803,504,804,411.74
  5. Step 5: Solve for x
    x = 2,803,504,804,411.74/2,137,130.60
  6. Step 6: Final answer
    x = 1,311,807.90

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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.