Finding the Fourth Proportional to 7,122,465.84, 9,829,011.48 and 3,859,278
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Solution
The fourth proportional to 7,122,465.84, 9,829,011.48 and 3,859,278 is: 5,325,808.31
Step by Step Solution
- Step 1: Write the proportion equation
7,122,465.84 : 9,829,011.48 = 3,859,278 : x - Step 2: Convert to fraction form
7,122,465.84/9,829,011.48 = 3,859,278/x - Step 3: Cross multiply
7,122,465.84x = 9,829,011.48 × 3,859,278 - Step 4: Simplify right side
7,122,465.84x = 37,932,887,766,511.45 - Step 5: Solve for x
x = 37,932,887,766,511.45/7,122,465.84 - Step 6: Final answer
x = 5,325,808.31
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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.