Finding the Fourth Proportional to 2,487,258.96, 3,730,888.44 and 690,142.80
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Solution
The fourth proportional to 2,487,258.96, 3,730,888.44 and 690,142.80 is: 1,035,214.20
Step by Step Solution
- Step 1: Write the proportion equation
2,487,258.96 : 3,730,888.44 = 690,142.80 : x - Step 2: Convert to fraction form
2,487,258.96/3,730,888.44 = 690,142.80/x - Step 3: Cross multiply
2,487,258.96x = 3,730,888.44 × 690,142.80 - Step 4: Simplify right side
2,487,258.96x = 2,574,845,794,469.23 - Step 5: Solve for x
x = 2,574,845,794,469.23/2,487,258.96 - Step 6: Final answer
x = 1,035,214.20
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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.