Finding the Fourth Proportional to 6,112,867.36, 8,435,946.79 and 3,359,504.76
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Solution
The fourth proportional to 6,112,867.36, 8,435,946.79 and 3,359,504.76 is: 4,636,220.90
Step by Step Solution
- Step 1: Write the proportion equation
6,112,867.36 : 8,435,946.79 = 3,359,504.76 : x - Step 2: Convert to fraction form
6,112,867.36/8,435,946.79 = 3,359,504.76/x - Step 3: Cross multiply
6,112,867.36x = 8,435,946.79 × 3,359,504.76 - Step 4: Simplify right side
6,112,867.36x = 28,340,603,396,111.71 - Step 5: Solve for x
x = 28,340,603,396,111.71/6,112,867.36 - Step 6: Final answer
x = 4,636,220.90
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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.