Home / 1,947,913.47-2,688,069.02-1,088,480.79

Finding the Fourth Proportional to 1,947,913.47, 2,688,069.02 and 1,088,480.79

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Solution

The fourth proportional to 1,947,913.47, 2,688,069.02 and 1,088,480.79 is: 1,502,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,913.47 : 2,688,069.02 = 1,088,480.79 : x
  2. Step 2: Convert to fraction form
    1,947,913.47/2,688,069.02 = 1,088,480.79/x
  3. Step 3: Cross multiply
    1,947,913.47x = 2,688,069.02 × 1,088,480.79
  4. Step 4: Simplify right side
    1,947,913.47x = 2,925,911,481,022.75
  5. Step 5: Solve for x
    x = 2,925,911,481,022.75/1,947,913.47
  6. Step 6: Final answer
    x = 1,502,074.67

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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.