Finding the Fourth Proportional to 2,972,625.30, 4,102,085.84 and 1,683,475.07
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Solution
The fourth proportional to 2,972,625.30, 4,102,085.84 and 1,683,475.07 is: 2,323,117.96
Step by Step Solution
- Step 1: Write the proportion equation
2,972,625.30 : 4,102,085.84 = 1,683,475.07 : x - Step 2: Convert to fraction form
2,972,625.30/4,102,085.84 = 1,683,475.07/x - Step 3: Cross multiply
2,972,625.30x = 4,102,085.84 × 1,683,475.07 - Step 4: Simplify right side
2,972,625.30x = 6,905,759,217,712.20 - Step 5: Solve for x
x = 6,905,759,217,712.20/2,972,625.30 - Step 6: Final answer
x = 2,323,117.96
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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.