Finding the Fourth Proportional to 2,972,029.68, 4,101,416.64 and 1,683,120.96
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Solution
The fourth proportional to 2,972,029.68, 4,101,416.64 and 1,683,120.96 is: 2,322,715.81
Step by Step Solution
- Step 1: Write the proportion equation
2,972,029.68 : 4,101,416.64 = 1,683,120.96 : x - Step 2: Convert to fraction form
2,972,029.68/4,101,416.64 = 1,683,120.96/x - Step 3: Cross multiply
2,972,029.68x = 4,101,416.64 × 1,683,120.96 - Step 4: Simplify right side
2,972,029.68x = 6,903,180,312,476.78 - Step 5: Solve for x
x = 6,903,180,312,476.78/2,972,029.68 - Step 6: Final answer
x = 2,322,715.81
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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.