Home / 4,152,345.40-6,228,518.10-2,947,745.80

Finding the Fourth Proportional to 4,152,345.40, 6,228,518.10 and 2,947,745.80

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Solution

The fourth proportional to 4,152,345.40, 6,228,518.10 and 2,947,745.80 is: 4,421,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152,345.40 : 6,228,518.10 = 2,947,745.80 : x
  2. Step 2: Convert to fraction form
    4,152,345.40/6,228,518.10 = 2,947,745.80/x
  3. Step 3: Cross multiply
    4,152,345.40x = 6,228,518.10 × 2,947,745.80
  4. Step 4: Simplify right side
    4,152,345.40x = 18,360,088,069,498.98
  5. Step 5: Solve for x
    x = 18,360,088,069,498.98/4,152,345.40
  6. Step 6: Final answer
    x = 4,421,618.70

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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.