Home / 1,947,928.40-2,688,089.58-1,088,495.72

Finding the Fourth Proportional to 1,947,928.40, 2,688,089.58 and 1,088,495.72

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Solution

The fourth proportional to 1,947,928.40, 2,688,089.58 and 1,088,495.72 is: 1,502,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,928.40 : 2,688,089.58 = 1,088,495.72 : x
  2. Step 2: Convert to fraction form
    1,947,928.40/2,688,089.58 = 1,088,495.72/x
  3. Step 3: Cross multiply
    1,947,928.40x = 2,688,089.58 × 1,088,495.72
  4. Step 4: Simplify right side
    1,947,928.40x = 2,925,974,002,806.60
  5. Step 5: Solve for x
    x = 2,925,974,002,806.60/1,947,928.40
  6. Step 6: Final answer
    x = 1,502,095.25

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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.