Home / 6,142,823.40-9,214,235.10-2,947,405.80

Finding the Fourth Proportional to 6,142,823.40, 9,214,235.10 and 2,947,405.80

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Solution

The fourth proportional to 6,142,823.40, 9,214,235.10 and 2,947,405.80 is: 4,421,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,823.40 : 9,214,235.10 = 2,947,405.80 : x
  2. Step 2: Convert to fraction form
    6,142,823.40/9,214,235.10 = 2,947,405.80/x
  3. Step 3: Cross multiply
    6,142,823.40x = 9,214,235.10 × 2,947,405.80
  4. Step 4: Simplify right side
    6,142,823.40x = 27,158,089,976,303.58
  5. Step 5: Solve for x
    x = 27,158,089,976,303.58/6,142,823.40
  6. Step 6: Final answer
    x = 4,421,108.70

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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.