Home / 6,465,783.60-9,698,323.80-1,978,059.60

Finding the Fourth Proportional to 6,465,783.60, 9,698,323.80 and 1,978,059.60

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Solution

The fourth proportional to 6,465,783.60, 9,698,323.80 and 1,978,059.60 is: 2,966,981.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465,783.60 : 9,698,323.80 = 1,978,059.60 : x
  2. Step 2: Convert to fraction form
    6,465,783.60/9,698,323.80 = 1,978,059.60/x
  3. Step 3: Cross multiply
    6,465,783.60x = 9,698,323.80 × 1,978,059.60
  4. Step 4: Simplify right side
    6,465,783.60x = 19,183,862,496,498.48
  5. Step 5: Solve for x
    x = 19,183,862,496,498.48/6,465,783.60
  6. Step 6: Final answer
    x = 2,966,981.84

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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.