Finding the Fourth Proportional to 1,683,613.91, 2,324,152.05 and 1,072,604.57
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Solution
The fourth proportional to 1,683,613.91, 2,324,152.05 and 1,072,604.57 is: 1,480,681.58
Step by Step Solution
- Step 1: Write the proportion equation
1,683,613.91 : 2,324,152.05 = 1,072,604.57 : x - Step 2: Convert to fraction form
1,683,613.91/2,324,152.05 = 1,072,604.57/x - Step 3: Cross multiply
1,683,613.91x = 2,324,152.05 × 1,072,604.57 - Step 4: Simplify right side
1,683,613.91x = 2,492,896,110,204.87 - Step 5: Solve for x
x = 2,492,896,110,204.87/1,683,613.91 - Step 6: Final answer
x = 1,480,681.58
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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.