Home / 3,005,319.02-4,146,036.99-1,988,140.46

Finding the Fourth Proportional to 3,005,319.02, 4,146,036.99 and 1,988,140.46

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Solution

The fourth proportional to 3,005,319.02, 4,146,036.99 and 1,988,140.46 is: 2,742,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,319.02 : 4,146,036.99 = 1,988,140.46 : x
  2. Step 2: Convert to fraction form
    3,005,319.02/4,146,036.99 = 1,988,140.46/x
  3. Step 3: Cross multiply
    3,005,319.02x = 4,146,036.99 × 1,988,140.46
  4. Step 4: Simplify right side
    3,005,319.02x = 8,242,903,888,475.62
  5. Step 5: Solve for x
    x = 8,242,903,888,475.62/3,005,319.02
  6. Step 6: Final answer
    x = 2,742,771.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.