Finding the Fourth Proportional to 5,188,607.48, 7,782,113.14 and 1,730,407.77
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Solution
The fourth proportional to 5,188,607.48, 7,782,113.14 and 1,730,407.77 is: 2,595,345.49
Step by Step Solution
- Step 1: Write the proportion equation
5,188,607.48 : 7,782,113.14 = 1,730,407.77 : x - Step 2: Convert to fraction form
5,188,607.48/7,782,113.14 = 1,730,407.77/x - Step 3: Cross multiply
5,188,607.48x = 7,782,113.14 × 1,730,407.77 - Step 4: Simplify right side
5,188,607.48x = 13,466,229,040,149.08 - Step 5: Solve for x
x = 13,466,229,040,149.08/5,188,607.48 - Step 6: Final answer
x = 2,595,345.49
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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.