Finding the Fourth Proportional to 1,974,165.12, 2,724,183.36 and 1,158,283.52
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Solution
The fourth proportional to 1,974,165.12, 2,724,183.36 and 1,158,283.52 is: 1,598,334.74
Step by Step Solution
- Step 1: Write the proportion equation
1,974,165.12 : 2,724,183.36 = 1,158,283.52 : x - Step 2: Convert to fraction form
1,974,165.12/2,724,183.36 = 1,158,283.52/x - Step 3: Cross multiply
1,974,165.12x = 2,724,183.36 × 1,158,283.52 - Step 4: Simplify right side
1,974,165.12x = 3,155,376,691,346.23 - Step 5: Solve for x
x = 3,155,376,691,346.23/1,974,165.12 - Step 6: Final answer
x = 1,598,334.74
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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.