Finding the Fourth Proportional to 1,985,338.74, 2,977,516.02 and 565,407.12
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Solution
The fourth proportional to 1,985,338.74, 2,977,516.02 and 565,407.12 is: 847,970.54
Step by Step Solution
- Step 1: Write the proportion equation
1,985,338.74 : 2,977,516.02 = 565,407.12 : x - Step 2: Convert to fraction form
1,985,338.74/2,977,516.02 = 565,407.12/x - Step 3: Cross multiply
1,985,338.74x = 2,977,516.02 × 565,407.12 - Step 4: Simplify right side
1,985,338.74x = 1,683,508,757,622.06 - Step 5: Solve for x
x = 1,683,508,757,622.06/1,985,338.74 - Step 6: Final answer
x = 847,970.54
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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.