Finding the Fourth Proportional to 1,677,352.53, 2,314,772.85 and 913,405.48
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Solution
The fourth proportional to 1,677,352.53, 2,314,772.85 and 913,405.48 is: 1,260,513.92
Step by Step Solution
- Step 1: Write the proportion equation
1,677,352.53 : 2,314,772.85 = 913,405.48 : x - Step 2: Convert to fraction form
1,677,352.53/2,314,772.85 = 913,405.48/x - Step 3: Cross multiply
1,677,352.53x = 2,314,772.85 × 913,405.48 - Step 4: Simplify right side
1,677,352.53x = 2,114,326,206,145.22 - Step 5: Solve for x
x = 2,114,326,206,145.22/1,677,352.53 - Step 6: Final answer
x = 1,260,513.92
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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.