Finding the Fourth Proportional to 5,263,623.95, 7,884,421.88 and 4,233,386.16
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Solution
The fourth proportional to 5,263,623.95, 7,884,421.88 and 4,233,386.16 is: 6,341,220.95
Step by Step Solution
- Step 1: Write the proportion equation
5,263,623.95 : 7,884,421.88 = 4,233,386.16 : x - Step 2: Convert to fraction form
5,263,623.95/7,884,421.88 = 4,233,386.16/x - Step 3: Cross multiply
5,263,623.95x = 7,884,421.88 × 4,233,386.16 - Step 4: Simplify right side
5,263,623.95x = 33,377,802,445,226.25 - Step 5: Solve for x
x = 33,377,802,445,226.25/5,263,623.95 - Step 6: Final answer
x = 6,341,220.95
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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.