Finding the Fourth Proportional to 1,590,742.54, 2,195,206.24 and 865,577.76
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Solution
The fourth proportional to 1,590,742.54, 2,195,206.24 and 865,577.76 is: 1,194,487.26
Step by Step Solution
- Step 1: Write the proportion equation
1,590,742.54 : 2,195,206.24 = 865,577.76 : x - Step 2: Convert to fraction form
1,590,742.54/2,195,206.24 = 865,577.76/x - Step 3: Cross multiply
1,590,742.54x = 2,195,206.24 × 865,577.76 - Step 4: Simplify right side
1,590,742.54x = 1,900,121,699,957.22 - Step 5: Solve for x
x = 1,900,121,699,957.22/1,590,742.54 - Step 6: Final answer
x = 1,194,487.26
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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.