Finding the Fourth Proportional to 1,671,091.74, 2,306,705.67 and 992,028.78
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Solution
The fourth proportional to 1,671,091.74, 2,306,705.67 and 992,028.78 is: 1,369,355.35
Step by Step Solution
- Step 1: Write the proportion equation
1,671,091.74 : 2,306,705.67 = 992,028.78 : x - Step 2: Convert to fraction form
1,671,091.74/2,306,705.67 = 992,028.78/x - Step 3: Cross multiply
1,671,091.74x = 2,306,705.67 × 992,028.78 - Step 4: Simplify right side
1,671,091.74x = 2,288,318,411,629.18 - Step 5: Solve for x
x = 2,288,318,411,629.18/1,671,091.74 - Step 6: Final answer
x = 1,369,355.35
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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.