Finding the Fourth Proportional to 2,690,448.17, 3,712,874.18 and 1,513,069.55
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Solution
The fourth proportional to 2,690,448.17, 3,712,874.18 and 1,513,069.55 is: 2,088,067.31
Step by Step Solution
- Step 1: Write the proportion equation
2,690,448.17 : 3,712,874.18 = 1,513,069.55 : x - Step 2: Convert to fraction form
2,690,448.17/3,712,874.18 = 1,513,069.55/x - Step 3: Cross multiply
2,690,448.17x = 3,712,874.18 × 1,513,069.55 - Step 4: Simplify right side
2,690,448.17x = 5,617,836,864,739.22 - Step 5: Solve for x
x = 5,617,836,864,739.22/2,690,448.17 - Step 6: Final answer
x = 2,088,067.31
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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.