Finding the Fourth Proportional to 1,387,041.54, 2,080,601.19 and 677,637.06
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Solution
The fourth proportional to 1,387,041.54, 2,080,601.19 and 677,637.06 is: 1,016,474.58
Step by Step Solution
- Step 1: Write the proportion equation
1,387,041.54 : 2,080,601.19 = 677,637.06 : x - Step 2: Convert to fraction form
1,387,041.54/2,080,601.19 = 677,637.06/x - Step 3: Cross multiply
1,387,041.54x = 2,080,601.19 × 677,637.06 - Step 4: Simplify right side
1,387,041.54x = 1,409,892,473,424.10 - Step 5: Solve for x
x = 1,409,892,473,424.10/1,387,041.54 - Step 6: Final answer
x = 1,016,474.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.