Finding the Fourth Proportional to 5,193,657.84, 7,167,618.84 and 2,870,500.35
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Solution
The fourth proportional to 5,193,657.84, 7,167,618.84 and 2,870,500.35 is: 3,961,495.54
Step by Step Solution
- Step 1: Write the proportion equation
5,193,657.84 : 7,167,618.84 = 2,870,500.35 : x - Step 2: Convert to fraction form
5,193,657.84/7,167,618.84 = 2,870,500.35/x - Step 3: Cross multiply
5,193,657.84x = 7,167,618.84 × 2,870,500.35 - Step 4: Simplify right side
5,193,657.84x = 20,574,652,388,886.59 - Step 5: Solve for x
x = 20,574,652,388,886.59/5,193,657.84 - Step 6: Final answer
x = 3,961,495.54
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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.