Home / 1,971,085.19-2,719,934.64-1,111,856.63

Finding the Fourth Proportional to 1,971,085.19, 2,719,934.64 and 1,111,856.63

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Solution

The fourth proportional to 1,971,085.19, 2,719,934.64 and 1,111,856.63 is: 1,534,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,085.19 : 2,719,934.64 = 1,111,856.63 : x
  2. Step 2: Convert to fraction form
    1,971,085.19/2,719,934.64 = 1,111,856.63/x
  3. Step 3: Cross multiply
    1,971,085.19x = 2,719,934.64 × 1,111,856.63
  4. Step 4: Simplify right side
    1,971,085.19x = 3,024,177,349,050.99
  5. Step 5: Solve for x
    x = 3,024,177,349,050.99/1,971,085.19
  6. Step 6: Final answer
    x = 1,534,270.24

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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.