Finding the Fourth Proportional to 1,389,106.56, 2,077,975.68 and 1,049,623.68
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Solution
The fourth proportional to 1,389,106.56, 2,077,975.68 and 1,049,623.68 is: 1,570,140.51
Step by Step Solution
- Step 1: Write the proportion equation
1,389,106.56 : 2,077,975.68 = 1,049,623.68 : x - Step 2: Convert to fraction form
1,389,106.56/2,077,975.68 = 1,049,623.68/x - Step 3: Cross multiply
1,389,106.56x = 2,077,975.68 × 1,049,623.68 - Step 4: Simplify right side
1,389,106.56x = 2,181,092,480,192.10 - Step 5: Solve for x
x = 2,181,092,480,192.10/1,389,106.56 - Step 6: Final answer
x = 1,570,140.51
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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.