Finding the Fourth Proportional to 1,648,478.80, 2,473,009.80 and 584,138.80
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Solution
The fourth proportional to 1,648,478.80, 2,473,009.80 and 584,138.80 is: 876,311.53
Step by Step Solution
- Step 1: Write the proportion equation
1,648,478.80 : 2,473,009.80 = 584,138.80 : x - Step 2: Convert to fraction form
1,648,478.80/2,473,009.80 = 584,138.80/x - Step 3: Cross multiply
1,648,478.80x = 2,473,009.80 × 584,138.80 - Step 4: Simplify right side
1,648,478.80x = 1,444,580,976,960.24 - Step 5: Solve for x
x = 1,444,580,976,960.24/1,648,478.80 - Step 6: Final answer
x = 876,311.53
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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.