Finding the Fourth Proportional to 1,579,513.12, 2,369,267.80 and 514,553.44
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Solution
The fourth proportional to 1,579,513.12, 2,369,267.80 and 514,553.44 is: 771,829.55
Step by Step Solution
- Step 1: Write the proportion equation
1,579,513.12 : 2,369,267.80 = 514,553.44 : x - Step 2: Convert to fraction form
1,579,513.12/2,369,267.80 = 514,553.44/x - Step 3: Cross multiply
1,579,513.12x = 2,369,267.80 × 514,553.44 - Step 4: Simplify right side
1,579,513.12x = 1,219,114,896,771.23 - Step 5: Solve for x
x = 1,219,114,896,771.23/1,579,513.12 - Step 6: Final answer
x = 771,829.55
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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.