Finding the Fourth Proportional to 5,638,808.54, 7,781,475.66 and 3,060,423.02
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Solution
The fourth proportional to 5,638,808.54, 7,781,475.66 and 3,060,423.02 is: 4,223,340.28
Step by Step Solution
- Step 1: Write the proportion equation
5,638,808.54 : 7,781,475.66 = 3,060,423.02 : x - Step 2: Convert to fraction form
5,638,808.54/7,781,475.66 = 3,060,423.02/x - Step 3: Cross multiply
5,638,808.54x = 7,781,475.66 × 3,060,423.02 - Step 4: Simplify right side
5,638,808.54x = 23,814,607,239,433.70 - Step 5: Solve for x
x = 23,814,607,239,433.70/5,638,808.54 - Step 6: Final answer
x = 4,223,340.28
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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.