Finding the Fourth Proportional to 1,875,664.20, 2,587,472.84 and 1,230,994.92
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Solution
The fourth proportional to 1,875,664.20, 2,587,472.84 and 1,230,994.92 is: 1,698,153.60
Step by Step Solution
- Step 1: Write the proportion equation
1,875,664.20 : 2,587,472.84 = 1,230,994.92 : x - Step 2: Convert to fraction form
1,875,664.20/2,587,472.84 = 1,230,994.92/x - Step 3: Cross multiply
1,875,664.20x = 2,587,472.84 × 1,230,994.92 - Step 4: Simplify right side
1,875,664.20x = 3,185,165,921,677.97 - Step 5: Solve for x
x = 3,185,165,921,677.97/1,875,664.20 - Step 6: Final answer
x = 1,698,153.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.