Finding the Fourth Proportional to 5,174,573.79, 7,763,041.68 and 1,580,851.65
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Solution
The fourth proportional to 5,174,573.79, 7,763,041.68 and 1,580,851.65 is: 2,371,638.27
Step by Step Solution
- Step 1: Write the proportion equation
5,174,573.79 : 7,763,041.68 = 1,580,851.65 : x - Step 2: Convert to fraction form
5,174,573.79/7,763,041.68 = 1,580,851.65/x - Step 3: Cross multiply
5,174,573.79x = 7,763,041.68 × 1,580,851.65 - Step 4: Simplify right side
5,174,573.79x = 12,272,217,248,846.77 - Step 5: Solve for x
x = 12,272,217,248,846.77/5,174,573.79 - Step 6: Final answer
x = 2,371,638.27
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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.