Finding the Fourth Proportional to 5,253,044.48, 7,249,312.11 and 2,961,205.17
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Solution
The fourth proportional to 5,253,044.48, 7,249,312.11 and 2,961,205.17 is: 4,086,525.55
Step by Step Solution
- Step 1: Write the proportion equation
5,253,044.48 : 7,249,312.11 = 2,961,205.17 : x - Step 2: Convert to fraction form
5,253,044.48/7,249,312.11 = 2,961,205.17/x - Step 3: Cross multiply
5,253,044.48x = 7,249,312.11 × 2,961,205.17 - Step 4: Simplify right side
5,253,044.48x = 21,466,700,523,772.59 - Step 5: Solve for x
x = 21,466,700,523,772.59/5,253,044.48 - Step 6: Final answer
x = 4,086,525.55
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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.