Finding the Fourth Proportional to 1,628,053.70, 2,246,852.13 and 903,134.96
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Solution
The fourth proportional to 1,628,053.70, 2,246,852.13 and 903,134.96 is: 1,246,402.81
Step by Step Solution
- Step 1: Write the proportion equation
1,628,053.70 : 2,246,852.13 = 903,134.96 : x - Step 2: Convert to fraction form
1,628,053.70/2,246,852.13 = 903,134.96/x - Step 3: Cross multiply
1,628,053.70x = 2,246,852.13 × 903,134.96 - Step 4: Simplify right side
1,628,053.70x = 2,029,210,708,553.46 - Step 5: Solve for x
x = 2,029,210,708,553.46/1,628,053.70 - Step 6: Final answer
x = 1,246,402.81
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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.