Finding the Fourth Proportional to 5,339,679.84, 7,362,854.64 and 3,402,874.08
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Solution
The fourth proportional to 5,339,679.84, 7,362,854.64 and 3,402,874.08 is: 4,692,204.02
Step by Step Solution
- Step 1: Write the proportion equation
5,339,679.84 : 7,362,854.64 = 3,402,874.08 : x - Step 2: Convert to fraction form
5,339,679.84/7,362,854.64 = 3,402,874.08/x - Step 3: Cross multiply
5,339,679.84x = 7,362,854.64 × 3,402,874.08 - Step 4: Simplify right side
5,339,679.84x = 25,054,867,209,263.73 - Step 5: Solve for x
x = 25,054,867,209,263.73/5,339,679.84 - Step 6: Final answer
x = 4,692,204.02
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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.