Finding the Fourth Proportional to 5,605,038.72, 7,734,977.10 and 3,157,679.07
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Solution
The fourth proportional to 5,605,038.72, 7,734,977.10 and 3,157,679.07 is: 4,357,610.45
Step by Step Solution
- Step 1: Write the proportion equation
5,605,038.72 : 7,734,977.10 = 3,157,679.07 : x - Step 2: Convert to fraction form
5,605,038.72/7,734,977.10 = 3,157,679.07/x - Step 3: Cross multiply
5,605,038.72x = 7,734,977.10 × 3,157,679.07 - Step 4: Simplify right side
5,605,038.72x = 24,424,575,295,599.29 - Step 5: Solve for x
x = 24,424,575,295,599.29/5,605,038.72 - Step 6: Final answer
x = 4,357,610.45
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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.