Home / 2,688,275.60-4,032,413.40-2,016,429.20

Finding the Fourth Proportional to 2,688,275.60, 4,032,413.40 and 2,016,429.20

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Solution

The fourth proportional to 2,688,275.60, 4,032,413.40 and 2,016,429.20 is: 3,024,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,275.60 : 4,032,413.40 = 2,016,429.20 : x
  2. Step 2: Convert to fraction form
    2,688,275.60/4,032,413.40 = 2,016,429.20/x
  3. Step 3: Cross multiply
    2,688,275.60x = 4,032,413.40 × 2,016,429.20
  4. Step 4: Simplify right side
    2,688,275.60x = 8,131,076,126,231.28
  5. Step 5: Solve for x
    x = 8,131,076,126,231.28/2,688,275.60
  6. Step 6: Final answer
    x = 3,024,643.80

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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.