Finding the Fourth Proportional to 1,974,281.70, 2,724,258.27 and 1,158,187.62
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Solution
The fourth proportional to 1,974,281.70, 2,724,258.27 and 1,158,187.62 is: 1,598,151.98
Step by Step Solution
- Step 1: Write the proportion equation
1,974,281.70 : 2,724,258.27 = 1,158,187.62 : x - Step 2: Convert to fraction form
1,974,281.70/2,724,258.27 = 1,158,187.62/x - Step 3: Cross multiply
1,974,281.70x = 2,724,258.27 × 1,158,187.62 - Step 4: Simplify right side
1,974,281.70x = 3,155,202,201,996.62 - Step 5: Solve for x
x = 3,155,202,201,996.62/1,974,281.70 - Step 6: Final answer
x = 1,598,151.98
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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.