Finding the Fourth Proportional to 1,703,378.21, 2,350,068.28 and 1,091,868.14
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Solution
The fourth proportional to 1,703,378.21, 2,350,068.28 and 1,091,868.14 is: 1,506,397.51
Step by Step Solution
- Step 1: Write the proportion equation
1,703,378.21 : 2,350,068.28 = 1,091,868.14 : x - Step 2: Convert to fraction form
1,703,378.21/2,350,068.28 = 1,091,868.14/x - Step 3: Cross multiply
1,703,378.21x = 2,350,068.28 × 1,091,868.14 - Step 4: Simplify right side
1,703,378.21x = 2,565,964,684,902.10 - Step 5: Solve for x
x = 2,565,964,684,902.10/1,703,378.21 - Step 6: Final answer
x = 1,506,397.51
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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.