Finding the Fourth Proportional to 1,455,108.84, 2,171,283.17 and 1,303,807.86
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Solution
The fourth proportional to 1,455,108.84, 2,171,283.17 and 1,303,807.86 is: 1,945,514.99
Step by Step Solution
- Step 1: Write the proportion equation
1,455,108.84 : 2,171,283.17 = 1,303,807.86 : x - Step 2: Convert to fraction form
1,455,108.84/2,171,283.17 = 1,303,807.86/x - Step 3: Cross multiply
1,455,108.84x = 2,171,283.17 × 1,303,807.86 - Step 4: Simplify right side
1,455,108.84x = 2,830,936,056,812.68 - Step 5: Solve for x
x = 2,830,936,056,812.68/1,455,108.84 - Step 6: Final answer
x = 1,945,514.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.