Finding the Fourth Proportional to 2,190,377.84, 3,285,564.93 and 824,406.80
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Solution
The fourth proportional to 2,190,377.84, 3,285,564.93 and 824,406.80 is: 1,236,609.51
Step by Step Solution
- Step 1: Write the proportion equation
2,190,377.84 : 3,285,564.93 = 824,406.80 : x - Step 2: Convert to fraction form
2,190,377.84/3,285,564.93 = 824,406.80/x - Step 3: Cross multiply
2,190,377.84x = 3,285,564.93 × 824,406.80 - Step 4: Simplify right side
2,190,377.84x = 2,708,642,053,705.70 - Step 5: Solve for x
x = 2,708,642,053,705.70/2,190,377.84 - Step 6: Final answer
x = 1,236,609.51
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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.