Finding the Fourth Proportional to 5,455,312.08, 7,526,660.04 and 3,163,012.56
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Solution
The fourth proportional to 5,455,312.08, 7,526,660.04 and 3,163,012.56 is: 4,363,988.69
Step by Step Solution
- Step 1: Write the proportion equation
5,455,312.08 : 7,526,660.04 = 3,163,012.56 : x - Step 2: Convert to fraction form
5,455,312.08/7,526,660.04 = 3,163,012.56/x - Step 3: Cross multiply
5,455,312.08x = 7,526,660.04 × 3,163,012.56 - Step 4: Simplify right side
5,455,312.08x = 23,806,920,241,370.10 - Step 5: Solve for x
x = 23,806,920,241,370.10/5,455,312.08 - Step 6: Final answer
x = 4,363,988.69
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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.