Finding the Fourth Proportional to 6,402,537.60, 8,836,683.84 and 4,113,559.68
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Solution
The fourth proportional to 6,402,537.60, 8,836,683.84 and 4,113,559.68 is: 5,677,471.75
Step by Step Solution
- Step 1: Write the proportion equation
6,402,537.60 : 8,836,683.84 = 4,113,559.68 : x - Step 2: Convert to fraction form
6,402,537.60/8,836,683.84 = 4,113,559.68/x - Step 3: Cross multiply
6,402,537.60x = 8,836,683.84 × 4,113,559.68 - Step 4: Simplify right side
6,402,537.60x = 36,350,226,349,131.57 - Step 5: Solve for x
x = 36,350,226,349,131.57/6,402,537.60 - Step 6: Final answer
x = 5,677,471.75
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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.