Finding the Fourth Proportional to 2,994,764.80, 4,132,777.68 and 1,636,637.92
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Solution
The fourth proportional to 2,994,764.80, 4,132,777.68 and 1,636,637.92 is: 2,258,561.56
Step by Step Solution
- Step 1: Write the proportion equation
2,994,764.80 : 4,132,777.68 = 1,636,637.92 : x - Step 2: Convert to fraction form
2,994,764.80/4,132,777.68 = 1,636,637.92/x - Step 3: Cross multiply
2,994,764.80x = 4,132,777.68 × 1,636,637.92 - Step 4: Simplify right side
2,994,764.80x = 6,763,860,666,017.63 - Step 5: Solve for x
x = 6,763,860,666,017.63/2,994,764.80 - Step 6: Final answer
x = 2,258,561.56
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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.