Finding the Fourth Proportional to 1,787,258.52, 2,679,381.99 and 775,618.74
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Solution
The fourth proportional to 1,787,258.52, 2,679,381.99 and 775,618.74 is: 1,162,774.64
Step by Step Solution
- Step 1: Write the proportion equation
1,787,258.52 : 2,679,381.99 = 775,618.74 : x - Step 2: Convert to fraction form
1,787,258.52/2,679,381.99 = 775,618.74/x - Step 3: Cross multiply
1,787,258.52x = 2,679,381.99 × 775,618.74 - Step 4: Simplify right side
1,787,258.52x = 2,078,178,883,062.49 - Step 5: Solve for x
x = 2,078,178,883,062.49/1,787,258.52 - Step 6: Final answer
x = 1,162,774.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.