Home / 2,838,430.60-4,257,645.90-1,942,635.40

Finding the Fourth Proportional to 2,838,430.60, 4,257,645.90 and 1,942,635.40

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Solution

The fourth proportional to 2,838,430.60, 4,257,645.90 and 1,942,635.40 is: 2,913,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,430.60 : 4,257,645.90 = 1,942,635.40 : x
  2. Step 2: Convert to fraction form
    2,838,430.60/4,257,645.90 = 1,942,635.40/x
  3. Step 3: Cross multiply
    2,838,430.60x = 4,257,645.90 × 1,942,635.40
  4. Step 4: Simplify right side
    2,838,430.60x = 8,271,053,646,004.86
  5. Step 5: Solve for x
    x = 8,271,053,646,004.86/2,838,430.60
  6. Step 6: Final answer
    x = 2,913,953.10

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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.