Finding the Fourth Proportional to 1,974,077.60, 2,724,176.84 and 1,102,918.95
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Solution
The fourth proportional to 1,974,077.60, 2,724,176.84 and 1,102,918.95 is: 1,522,000.08
Step by Step Solution
- Step 1: Write the proportion equation
1,974,077.60 : 2,724,176.84 = 1,102,918.95 : x - Step 2: Convert to fraction form
1,974,077.60/2,724,176.84 = 1,102,918.95/x - Step 3: Cross multiply
1,974,077.60x = 2,724,176.84 × 1,102,918.95 - Step 4: Simplify right side
1,974,077.60x = 3,004,546,254,472.52 - Step 5: Solve for x
x = 3,004,546,254,472.52/1,974,077.60 - Step 6: Final answer
x = 1,522,000.08
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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.