Finding the Fourth Proportional to 5,249,207.09, 7,243,905.74 and 2,834,759.09
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Solution
The fourth proportional to 5,249,207.09, 7,243,905.74 and 2,834,759.09 is: 3,911,967.51
Step by Step Solution
- Step 1: Write the proportion equation
5,249,207.09 : 7,243,905.74 = 2,834,759.09 : x - Step 2: Convert to fraction form
5,249,207.09/7,243,905.74 = 2,834,759.09/x - Step 3: Cross multiply
5,249,207.09x = 7,243,905.74 × 2,834,759.09 - Step 4: Simplify right side
5,249,207.09x = 20,534,727,593,174.85 - Step 5: Solve for x
x = 20,534,727,593,174.85/5,249,207.09 - Step 6: Final answer
x = 3,911,967.51
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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.