Home / 6,465,746.60-9,698,268.30-1,978,022.60

Finding the Fourth Proportional to 6,465,746.60, 9,698,268.30 and 1,978,022.60

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Solution

The fourth proportional to 6,465,746.60, 9,698,268.30 and 1,978,022.60 is: 2,966,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,746.60 : 9,698,268.30 = 1,978,022.60 : x
  2. Step 2: Convert to fraction form
    6,465,746.60/9,698,268.30 = 1,978,022.60/x
  3. Step 3: Cross multiply
    6,465,746.60x = 9,698,268.30 × 1,978,022.60
  4. Step 4: Simplify right side
    6,465,746.60x = 19,183,393,878,263.58
  5. Step 5: Solve for x
    x = 19,183,393,878,263.58/6,465,746.60
  6. Step 6: Final answer
    x = 2,966,926.34

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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.