Finding the Fourth Proportional to 5,232,135.04, 7,220,430.32 and 2,877,425.86
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Solution
The fourth proportional to 5,232,135.04, 7,220,430.32 and 2,877,425.86 is: 3,970,893.86
Step by Step Solution
- Step 1: Write the proportion equation
5,232,135.04 : 7,220,430.32 = 2,877,425.86 : x - Step 2: Convert to fraction form
5,232,135.04/7,220,430.32 = 2,877,425.86/x - Step 3: Cross multiply
5,232,135.04x = 7,220,430.32 × 2,877,425.86 - Step 4: Simplify right side
5,232,135.04x = 20,776,252,872,606.80 - Step 5: Solve for x
x = 20,776,252,872,606.80/5,232,135.04 - Step 6: Final answer
x = 3,970,893.86
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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.