Finding the Fourth Proportional to 2,169,603.36, 3,254,946.86 and 1,531,154.05
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Solution
The fourth proportional to 2,169,603.36, 3,254,946.86 and 1,531,154.05 is: 2,297,113.46
Step by Step Solution
- Step 1: Write the proportion equation
2,169,603.36 : 3,254,946.86 = 1,531,154.05 : x - Step 2: Convert to fraction form
2,169,603.36/3,254,946.86 = 1,531,154.05/x - Step 3: Cross multiply
2,169,603.36x = 3,254,946.86 × 1,531,154.05 - Step 4: Simplify right side
2,169,603.36x = 4,983,825,060,761.19 - Step 5: Solve for x
x = 4,983,825,060,761.19/2,169,603.36 - Step 6: Final answer
x = 2,297,113.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.