Home / 2,020,851.12-2,784,037.36-1,407,895.17

Finding the Fourth Proportional to 2,020,851.12, 2,784,037.36 and 1,407,895.17

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Solution

The fourth proportional to 2,020,851.12, 2,784,037.36 and 1,407,895.17 is: 1,939,595.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,851.12 : 2,784,037.36 = 1,407,895.17 : x
  2. Step 2: Convert to fraction form
    2,020,851.12/2,784,037.36 = 1,407,895.17/x
  3. Step 3: Cross multiply
    2,020,851.12x = 2,784,037.36 × 1,407,895.17
  4. Step 4: Simplify right side
    2,020,851.12x = 3,919,632,752,243.55
  5. Step 5: Solve for x
    x = 3,919,632,752,243.55/2,020,851.12
  6. Step 6: Final answer
    x = 1,939,595.01

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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.