Finding the Fourth Proportional to 6,390,130.60, 9,581,696.70 and 2,599,330.60
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Solution
The fourth proportional to 6,390,130.60, 9,581,696.70 and 2,599,330.60 is: 3,897,572.52
Step by Step Solution
- Step 1: Write the proportion equation
6,390,130.60 : 9,581,696.70 = 2,599,330.60 : x - Step 2: Convert to fraction form
6,390,130.60/9,581,696.70 = 2,599,330.60/x - Step 3: Cross multiply
6,390,130.60x = 9,581,696.70 × 2,599,330.60 - Step 4: Simplify right side
6,390,130.60x = 24,905,997,432,229.02 - Step 5: Solve for x
x = 24,905,997,432,229.02/6,390,130.60 - Step 6: Final answer
x = 3,897,572.52
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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.