Home / 3,010,781.51-4,154,890.95-1,634,127.20

Finding the Fourth Proportional to 3,010,781.51, 4,154,890.95 and 1,634,127.20

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Solution

The fourth proportional to 3,010,781.51, 4,154,890.95 and 1,634,127.20 is: 2,255,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,781.51 : 4,154,890.95 = 1,634,127.20 : x
  2. Step 2: Convert to fraction form
    3,010,781.51/4,154,890.95 = 1,634,127.20/x
  3. Step 3: Cross multiply
    3,010,781.51x = 4,154,890.95 × 1,634,127.20
  4. Step 4: Simplify right side
    3,010,781.51x = 6,789,620,314,428.84
  5. Step 5: Solve for x
    x = 6,789,620,314,428.84/3,010,781.51
  6. Step 6: Final answer
    x = 2,255,102.30

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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.