Finding the Fourth Proportional to 2,948,638.08, 4,070,376.16 and 1,982,328.84
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Solution
The fourth proportional to 2,948,638.08, 4,070,376.16 and 1,982,328.84 is: 2,736,457.93
Step by Step Solution
- Step 1: Write the proportion equation
2,948,638.08 : 4,070,376.16 = 1,982,328.84 : x - Step 2: Convert to fraction form
2,948,638.08/4,070,376.16 = 1,982,328.84/x - Step 3: Cross multiply
2,948,638.08x = 4,070,376.16 × 1,982,328.84 - Step 4: Simplify right side
2,948,638.08x = 8,068,824,051,616.46 - Step 5: Solve for x
x = 8,068,824,051,616.46/2,948,638.08 - Step 6: Final answer
x = 2,736,457.93
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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.