Home / 6,190,435.80-9,285,653.70-4,678,781.40

Finding the Fourth Proportional to 6,190,435.80, 9,285,653.70 and 4,678,781.40

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Solution

The fourth proportional to 6,190,435.80, 9,285,653.70 and 4,678,781.40 is: 7,018,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190,435.80 : 9,285,653.70 = 4,678,781.40 : x
  2. Step 2: Convert to fraction form
    6,190,435.80/9,285,653.70 = 4,678,781.40/x
  3. Step 3: Cross multiply
    6,190,435.80x = 9,285,653.70 × 4,678,781.40
  4. Step 4: Simplify right side
    6,190,435.80x = 43,445,543,818,401.18
  5. Step 5: Solve for x
    x = 43,445,543,818,401.18/6,190,435.80
  6. Step 6: Final answer
    x = 7,018,172.10

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1.5x scale

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.