Finding the Fourth Proportional to 5,294,290.53, 7,306,660.85 and 3,119,511.81
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Solution
The fourth proportional to 5,294,290.53, 7,306,660.85 and 3,119,511.81 is: 4,305,244.43
Step by Step Solution
- Step 1: Write the proportion equation
5,294,290.53 : 7,306,660.85 = 3,119,511.81 : x - Step 2: Convert to fraction form
5,294,290.53/7,306,660.85 = 3,119,511.81/x - Step 3: Cross multiply
5,294,290.53x = 7,306,660.85 × 3,119,511.81 - Step 4: Simplify right side
5,294,290.53x = 22,793,214,797,642.08 - Step 5: Solve for x
x = 22,793,214,797,642.08/5,294,290.53 - Step 6: Final answer
x = 4,305,244.43
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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.