Finding the Fourth Proportional to 6,908,340.52, 10,363,201.98 and 2,115,974.44
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Solution
The fourth proportional to 6,908,340.52, 10,363,201.98 and 2,115,974.44 is: 3,174,173.37
Step by Step Solution
- Step 1: Write the proportion equation
6,908,340.52 : 10,363,201.98 = 2,115,974.44 : x - Step 2: Convert to fraction form
6,908,340.52/10,363,201.98 = 2,115,974.44/x - Step 3: Cross multiply
6,908,340.52x = 10,363,201.98 × 2,115,974.44 - Step 4: Simplify right side
6,908,340.52x = 21,928,270,506,237.39 - Step 5: Solve for x
x = 21,928,270,506,237.39/6,908,340.52 - Step 6: Final answer
x = 3,174,173.37
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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.