Finding the Fourth Proportional to 2,788,381.98, 3,847,956.30 and 1,564,684.68
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Solution
The fourth proportional to 2,788,381.98, 3,847,956.30 and 1,564,684.68 is: 2,159,258.78
Step by Step Solution
- Step 1: Write the proportion equation
2,788,381.98 : 3,847,956.30 = 1,564,684.68 : x - Step 2: Convert to fraction form
2,788,381.98/3,847,956.30 = 1,564,684.68/x - Step 3: Cross multiply
2,788,381.98x = 3,847,956.30 × 1,564,684.68 - Step 4: Simplify right side
2,788,381.98x = 6,020,838,271,919.48 - Step 5: Solve for x
x = 6,020,838,271,919.48/2,788,381.98 - Step 6: Final answer
x = 2,159,258.78
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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.