Finding the Fourth Proportional to 5,217,455.04, 7,826,516.64 and 1,806,070.08
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Solution
The fourth proportional to 5,217,455.04, 7,826,516.64 and 1,806,070.08 is: 2,709,220.76
Step by Step Solution
- Step 1: Write the proportion equation
5,217,455.04 : 7,826,516.64 = 1,806,070.08 : x - Step 2: Convert to fraction form
5,217,455.04/7,826,516.64 = 1,806,070.08/x - Step 3: Cross multiply
5,217,455.04x = 7,826,516.64 × 1,806,070.08 - Step 4: Simplify right side
5,217,455.04x = 14,135,237,534,126.13 - Step 5: Solve for x
x = 14,135,237,534,126.13/5,217,455.04 - Step 6: Final answer
x = 2,709,220.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.