Home / 3,249,979.55-4,486,420.22-2,148,074.63

Finding the Fourth Proportional to 3,249,979.55, 4,486,420.22 and 2,148,074.63

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Solution

The fourth proportional to 3,249,979.55, 4,486,420.22 and 2,148,074.63 is: 2,965,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249,979.55 : 4,486,420.22 = 2,148,074.63 : x
  2. Step 2: Convert to fraction form
    3,249,979.55/4,486,420.22 = 2,148,074.63/x
  3. Step 3: Cross multiply
    3,249,979.55x = 4,486,420.22 × 2,148,074.63
  4. Step 4: Simplify right side
    3,249,979.55x = 9,637,165,454,101.02
  5. Step 5: Solve for x
    x = 9,637,165,454,101.02/3,249,979.55
  6. Step 6: Final answer
    x = 2,965,300.34

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Double scale
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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.