Home / 2,807,746.76-4,212,085.75-985,639.17

Finding the Fourth Proportional to 2,807,746.76, 4,212,085.75 and 985,639.17

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Solution

The fourth proportional to 2,807,746.76, 4,212,085.75 and 985,639.17 is: 1,478,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,746.76 : 4,212,085.75 = 985,639.17 : x
  2. Step 2: Convert to fraction form
    2,807,746.76/4,212,085.75 = 985,639.17/x
  3. Step 3: Cross multiply
    2,807,746.76x = 4,212,085.75 × 985,639.17
  4. Step 4: Simplify right side
    2,807,746.76x = 4,151,596,705,678.95
  5. Step 5: Solve for x
    x = 4,151,596,705,678.95/2,807,746.76
  6. Step 6: Final answer
    x = 1,478,622.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.