Finding the Fourth Proportional to 5,689,258.48, 7,849,663.68 and 3,241,817.20
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Solution
The fourth proportional to 5,689,258.48, 7,849,663.68 and 3,241,817.20 is: 4,472,845.60
Step by Step Solution
- Step 1: Write the proportion equation
5,689,258.48 : 7,849,663.68 = 3,241,817.20 : x - Step 2: Convert to fraction form
5,689,258.48/7,849,663.68 = 3,241,817.20/x - Step 3: Cross multiply
5,689,258.48x = 7,849,663.68 × 3,241,817.20 - Step 4: Simplify right side
5,689,258.48x = 25,447,174,732,039.30 - Step 5: Solve for x
x = 25,447,174,732,039.30/5,689,258.48 - Step 6: Final answer
x = 4,472,845.60
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1.5x scale
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.