Finding the Fourth Proportional to 7,210,689.35, 10,815,705.97 and 2,418,010.07
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Solution
The fourth proportional to 7,210,689.35, 10,815,705.97 and 2,418,010.07 is: 3,626,905.09
Step by Step Solution
- Step 1: Write the proportion equation
7,210,689.35 : 10,815,705.97 = 2,418,010.07 : x - Step 2: Convert to fraction form
7,210,689.35/10,815,705.97 = 2,418,010.07/x - Step 3: Cross multiply
7,210,689.35x = 10,815,705.97 × 2,418,010.07 - Step 4: Simplify right side
7,210,689.35x = 26,152,485,889,495.56 - Step 5: Solve for x
x = 26,152,485,889,495.56/7,210,689.35 - Step 6: Final answer
x = 3,626,905.09
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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.