Finding the Fourth Proportional to 5,216,490.36, 7,824,762.54 and 2,374,615.08
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Solution
The fourth proportional to 5,216,490.36, 7,824,762.54 and 2,374,615.08 is: 3,561,934.91
Step by Step Solution
- Step 1: Write the proportion equation
5,216,490.36 : 7,824,762.54 = 2,374,615.08 : x - Step 2: Convert to fraction form
5,216,490.36/7,824,762.54 = 2,374,615.08/x - Step 3: Cross multiply
5,216,490.36x = 7,824,762.54 × 2,374,615.08 - Step 4: Simplify right side
5,216,490.36x = 18,580,799,124,903.11 - Step 5: Solve for x
x = 18,580,799,124,903.11/5,216,490.36 - Step 6: Final answer
x = 3,561,934.91
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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.