Home / 2,878,918.20-4,316,303.70-1,617,132.60

Finding the Fourth Proportional to 2,878,918.20, 4,316,303.70 and 1,617,132.60

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Solution

The fourth proportional to 2,878,918.20, 4,316,303.70 and 1,617,132.60 is: 2,424,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,918.20 : 4,316,303.70 = 1,617,132.60 : x
  2. Step 2: Convert to fraction form
    2,878,918.20/4,316,303.70 = 1,617,132.60/x
  3. Step 3: Cross multiply
    2,878,918.20x = 4,316,303.70 × 1,617,132.60
  4. Step 4: Simplify right side
    2,878,918.20x = 6,980,035,424,770.62
  5. Step 5: Solve for x
    x = 6,980,035,424,770.62/2,878,918.20
  6. Step 6: Final answer
    x = 2,424,534.13

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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.