Home / 2,139,279.58-2,952,210-1,172,445.76

Finding the Fourth Proportional to 2,139,279.58, 2,952,210 and 1,172,445.76

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Solution

The fourth proportional to 2,139,279.58, 2,952,210 and 1,172,445.76 is: 1,617,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,279.58 : 2,952,210 = 1,172,445.76 : x
  2. Step 2: Convert to fraction form
    2,139,279.58/2,952,210 = 1,172,445.76/x
  3. Step 3: Cross multiply
    2,139,279.58x = 2,952,210 × 1,172,445.76
  4. Step 4: Simplify right side
    2,139,279.58x = 3,461,306,097,129.60
  5. Step 5: Solve for x
    x = 3,461,306,097,129.60/2,139,279.58
  6. Step 6: Final answer
    x = 1,617,977.44

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1.5x scale

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.