Home / 2,175,962.67-3,002,690.66-1,209,036.51

Finding the Fourth Proportional to 2,175,962.67, 3,002,690.66 and 1,209,036.51

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Solution

The fourth proportional to 2,175,962.67, 3,002,690.66 and 1,209,036.51 is: 1,668,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175,962.67 : 3,002,690.66 = 1,209,036.51 : x
  2. Step 2: Convert to fraction form
    2,175,962.67/3,002,690.66 = 1,209,036.51/x
  3. Step 3: Cross multiply
    2,175,962.67x = 3,002,690.66 × 1,209,036.51
  4. Step 4: Simplify right side
    2,175,962.67x = 3,630,362,630,130.81
  5. Step 5: Solve for x
    x = 3,630,362,630,130.81/2,175,962.67
  6. Step 6: Final answer
    x = 1,668,393.80

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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.