Finding the Fourth Proportional to 5,340,934.06, 7,370,490.71 and 2,893,561.99
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Solution
The fourth proportional to 5,340,934.06, 7,370,490.71 and 2,893,561.99 is: 3,993,116.47
Step by Step Solution
- Step 1: Write the proportion equation
5,340,934.06 : 7,370,490.71 = 2,893,561.99 : x - Step 2: Convert to fraction form
5,340,934.06/7,370,490.71 = 2,893,561.99/x - Step 3: Cross multiply
5,340,934.06x = 7,370,490.71 × 2,893,561.99 - Step 4: Simplify right side
5,340,934.06x = 21,326,971,754,911.79 - Step 5: Solve for x
x = 21,326,971,754,911.79/5,340,934.06 - Step 6: Final answer
x = 3,993,116.47
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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.