Finding the Fourth Proportional to 1,555,495.65, 2,331,056.48 and 1,236,193.65
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Solution
The fourth proportional to 1,555,495.65, 2,331,056.48 and 1,236,193.65 is: 1,852,552.41
Step by Step Solution
- Step 1: Write the proportion equation
1,555,495.65 : 2,331,056.48 = 1,236,193.65 : x - Step 2: Convert to fraction form
1,555,495.65/2,331,056.48 = 1,236,193.65/x - Step 3: Cross multiply
1,555,495.65x = 2,331,056.48 × 1,236,193.65 - Step 4: Simplify right side
1,555,495.65x = 2,881,637,212,186.38 - Step 5: Solve for x
x = 2,881,637,212,186.38/1,555,495.65 - Step 6: Final answer
x = 1,852,552.41
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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.