Finding the Fourth Proportional to 1,577,146.68, 2,176,460.28 and 898,083.18
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Solution
The fourth proportional to 1,577,146.68, 2,176,460.28 and 898,083.18 is: 1,239,353.57
Step by Step Solution
- Step 1: Write the proportion equation
1,577,146.68 : 2,176,460.28 = 898,083.18 : x - Step 2: Convert to fraction form
1,577,146.68/2,176,460.28 = 898,083.18/x - Step 3: Cross multiply
1,577,146.68x = 2,176,460.28 × 898,083.18 - Step 4: Simplify right side
1,577,146.68x = 1,954,642,369,406.09 - Step 5: Solve for x
x = 1,954,642,369,406.09/1,577,146.68 - Step 6: Final answer
x = 1,239,353.57
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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.