Home / 1,947,913.20-2,688,068.65-1,088,480.52

Finding the Fourth Proportional to 1,947,913.20, 2,688,068.65 and 1,088,480.52

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Solution

The fourth proportional to 1,947,913.20, 2,688,068.65 and 1,088,480.52 is: 1,502,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,913.20 : 2,688,068.65 = 1,088,480.52 : x
  2. Step 2: Convert to fraction form
    1,947,913.20/2,688,068.65 = 1,088,480.52/x
  3. Step 3: Cross multiply
    1,947,913.20x = 2,688,068.65 × 1,088,480.52
  4. Step 4: Simplify right side
    1,947,913.20x = 2,925,910,371,389.07
  5. Step 5: Solve for x
    x = 2,925,910,371,389.07/1,947,913.20
  6. Step 6: Final answer
    x = 1,502,074.31

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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.