Finding the Fourth Proportional to 1,678,346.79, 2,316,037.98 and 953,098.71
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Solution
The fourth proportional to 1,678,346.79, 2,316,037.98 and 953,098.71 is: 1,315,230.45
Step by Step Solution
- Step 1: Write the proportion equation
1,678,346.79 : 2,316,037.98 = 953,098.71 : x - Step 2: Convert to fraction form
1,678,346.79/2,316,037.98 = 953,098.71/x - Step 3: Cross multiply
1,678,346.79x = 2,316,037.98 × 953,098.71 - Step 4: Simplify right side
1,678,346.79x = 2,207,412,811,049.01 - Step 5: Solve for x
x = 2,207,412,811,049.01/1,678,346.79 - Step 6: Final answer
x = 1,315,230.45
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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.