Finding the Fourth Proportional to 5,009,662.53, 6,913,985.49 and 2,805,364.56
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Solution
The fourth proportional to 5,009,662.53, 6,913,985.49 and 2,805,364.56 is: 3,871,767.76
Step by Step Solution
- Step 1: Write the proportion equation
5,009,662.53 : 6,913,985.49 = 2,805,364.56 : x - Step 2: Convert to fraction form
5,009,662.53/6,913,985.49 = 2,805,364.56/x - Step 3: Cross multiply
5,009,662.53x = 6,913,985.49 × 2,805,364.56 - Step 4: Simplify right side
5,009,662.53x = 19,396,249,862,000.23 - Step 5: Solve for x
x = 19,396,249,862,000.23/5,009,662.53 - Step 6: Final answer
x = 3,871,767.76
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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.