Finding the Fourth Proportional to 1,348,740.19, 1,861,206.42 and 736,914.16
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Solution
The fourth proportional to 1,348,740.19, 1,861,206.42 and 736,914.16 is: 1,016,911.47
Step by Step Solution
- Step 1: Write the proportion equation
1,348,740.19 : 1,861,206.42 = 736,914.16 : x - Step 2: Convert to fraction form
1,348,740.19/1,861,206.42 = 736,914.16/x - Step 3: Cross multiply
1,348,740.19x = 1,861,206.42 × 736,914.16 - Step 4: Simplify right side
1,348,740.19x = 1,371,549,365,580.91 - Step 5: Solve for x
x = 1,371,549,365,580.91/1,348,740.19 - Step 6: Final answer
x = 1,016,911.47
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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.