Home / 2,850,529.32-3,927,088.26-1,989,570.60

Finding the Fourth Proportional to 2,850,529.32, 3,927,088.26 and 1,989,570.60

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Solution

The fourth proportional to 2,850,529.32, 3,927,088.26 and 1,989,570.60 is: 2,740,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,529.32 : 3,927,088.26 = 1,989,570.60 : x
  2. Step 2: Convert to fraction form
    2,850,529.32/3,927,088.26 = 1,989,570.60/x
  3. Step 3: Cross multiply
    2,850,529.32x = 3,927,088.26 × 1,989,570.60
  4. Step 4: Simplify right side
    2,850,529.32x = 7,813,219,345,701.16
  5. Step 5: Solve for x
    x = 7,813,219,345,701.16/2,850,529.32
  6. Step 6: Final answer
    x = 2,740,971.40

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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.