Finding the Fourth Proportional to 2,696,758.08, 3,721,209.12 and 1,489,462.08
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Solution
The fourth proportional to 2,696,758.08, 3,721,209.12 and 1,489,462.08 is: 2,055,282.57
Step by Step Solution
- Step 1: Write the proportion equation
2,696,758.08 : 3,721,209.12 = 1,489,462.08 : x - Step 2: Convert to fraction form
2,696,758.08/3,721,209.12 = 1,489,462.08/x - Step 3: Cross multiply
2,696,758.08x = 3,721,209.12 × 1,489,462.08 - Step 4: Simplify right side
2,696,758.08x = 5,542,599,875,990.17 - Step 5: Solve for x
x = 5,542,599,875,990.17/2,696,758.08 - Step 6: Final answer
x = 2,055,282.57
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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.