Finding the Fourth Proportional to 2,312,976.30, 3,192,241.16 and 1,332,727.59
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Solution
The fourth proportional to 2,312,976.30, 3,192,241.16 and 1,332,727.59 is: 1,839,356.45
Step by Step Solution
- Step 1: Write the proportion equation
2,312,976.30 : 3,192,241.16 = 1,332,727.59 : x - Step 2: Convert to fraction form
2,312,976.30/3,192,241.16 = 1,332,727.59/x - Step 3: Cross multiply
2,312,976.30x = 3,192,241.16 × 1,332,727.59 - Step 4: Simplify right side
2,312,976.30x = 4,254,387,867,865.61 - Step 5: Solve for x
x = 4,254,387,867,865.61/2,312,976.30 - Step 6: Final answer
x = 1,839,356.45
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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.