Finding the Fourth Proportional to 1,496,611.84, 2,065,320.84 and 817,553.20
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Solution
The fourth proportional to 1,496,611.84, 2,065,320.84 and 817,553.20 is: 1,128,221.50
Step by Step Solution
- Step 1: Write the proportion equation
1,496,611.84 : 2,065,320.84 = 817,553.20 : x - Step 2: Convert to fraction form
1,496,611.84/2,065,320.84 = 817,553.20/x - Step 3: Cross multiply
1,496,611.84x = 2,065,320.84 × 817,553.20 - Step 4: Simplify right side
1,496,611.84x = 1,688,509,661,768.69 - Step 5: Solve for x
x = 1,688,509,661,768.69/1,496,611.84 - Step 6: Final answer
x = 1,128,221.50
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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.