Finding the Fourth Proportional to 3,248,916.08, 4,483,973.40 and 1,871,996.12
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Solution
The fourth proportional to 3,248,916.08, 4,483,973.40 and 1,871,996.12 is: 2,583,625.00
Step by Step Solution
- Step 1: Write the proportion equation
3,248,916.08 : 4,483,973.40 = 1,871,996.12 : x - Step 2: Convert to fraction form
3,248,916.08/4,483,973.40 = 1,871,996.12/x - Step 3: Cross multiply
3,248,916.08x = 4,483,973.40 × 1,871,996.12 - Step 4: Simplify right side
3,248,916.08x = 8,393,980,806,983.21 - Step 5: Solve for x
x = 8,393,980,806,983.21/3,248,916.08 - Step 6: Final answer
x = 2,583,625.00
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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.