Home / 2,191,068.35-3,023,830.79-1,210,986.32

Finding the Fourth Proportional to 2,191,068.35, 3,023,830.79 and 1,210,986.32

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Solution

The fourth proportional to 2,191,068.35, 3,023,830.79 and 1,210,986.32 is: 1,671,247.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,068.35 : 3,023,830.79 = 1,210,986.32 : x
  2. Step 2: Convert to fraction form
    2,191,068.35/3,023,830.79 = 1,210,986.32/x
  3. Step 3: Cross multiply
    2,191,068.35x = 3,023,830.79 × 1,210,986.32
  4. Step 4: Simplify right side
    2,191,068.35x = 3,661,817,717,657.33
  5. Step 5: Solve for x
    x = 3,661,817,717,657.33/2,191,068.35
  6. Step 6: Final answer
    x = 1,671,247.60

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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.