Finding the Fourth Proportional to 1,628,073.18, 2,246,875.53 and 903,154.62
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Solution
The fourth proportional to 1,628,073.18, 2,246,875.53 and 903,154.62 is: 1,246,428.01
Step by Step Solution
- Step 1: Write the proportion equation
1,628,073.18 : 2,246,875.53 = 903,154.62 : x - Step 2: Convert to fraction form
1,628,073.18/2,246,875.53 = 903,154.62/x - Step 3: Cross multiply
1,628,073.18x = 2,246,875.53 × 903,154.62 - Step 4: Simplify right side
1,628,073.18x = 2,029,276,015,484.45 - Step 5: Solve for x
x = 2,029,276,015,484.45/1,628,073.18 - Step 6: Final answer
x = 1,246,428.01
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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.