Finding the Fourth Proportional to 6,911,573.84, 9,537,976 and 3,855,788.08
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Solution
The fourth proportional to 6,911,573.84, 9,537,976 and 3,855,788.08 is: 5,320,989.84
Step by Step Solution
- Step 1: Write the proportion equation
6,911,573.84 : 9,537,976 = 3,855,788.08 : x - Step 2: Convert to fraction form
6,911,573.84/9,537,976 = 3,855,788.08/x - Step 3: Cross multiply
6,911,573.84x = 9,537,976 × 3,855,788.08 - Step 4: Simplify right side
6,911,573.84x = 36,776,414,168,126.08 - Step 5: Solve for x
x = 36,776,414,168,126.08/6,911,573.84 - Step 6: Final answer
x = 5,320,989.84
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1.5x scale
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.