Home / 2,190,153.90-3,022,394.58-1,210,089.87

Finding the Fourth Proportional to 2,190,153.90, 3,022,394.58 and 1,210,089.87

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Solution

The fourth proportional to 2,190,153.90, 3,022,394.58 and 1,210,089.87 is: 1,669,914.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,153.90 : 3,022,394.58 = 1,210,089.87 : x
  2. Step 2: Convert to fraction form
    2,190,153.90/3,022,394.58 = 1,210,089.87/x
  3. Step 3: Cross multiply
    2,190,153.90x = 3,022,394.58 × 1,210,089.87
  4. Step 4: Simplify right side
    2,190,153.90x = 3,657,369,064,400.91
  5. Step 5: Solve for x
    x = 3,657,369,064,400.91/2,190,153.90
  6. Step 6: Final answer
    x = 1,669,914.18

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1.5x scale

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.