Finding the Fourth Proportional to 1,690,529.66, 2,332,987.35 and 926,585.18
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Solution
The fourth proportional to 1,690,529.66, 2,332,987.35 and 926,585.18 is: 1,278,718.47
Step by Step Solution
- Step 1: Write the proportion equation
1,690,529.66 : 2,332,987.35 = 926,585.18 : x - Step 2: Convert to fraction form
1,690,529.66/2,332,987.35 = 926,585.18/x - Step 3: Cross multiply
1,690,529.66x = 2,332,987.35 × 926,585.18 - Step 4: Simplify right side
1,690,529.66x = 2,161,711,503,637.47 - Step 5: Solve for x
x = 2,161,711,503,637.47/1,690,529.66 - Step 6: Final answer
x = 1,278,718.47
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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.