Finding the Fourth Proportional to 3,237,038.12, 4,466,445.78 and 1,860,115.88
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Solution
The fourth proportional to 3,237,038.12, 4,466,445.78 and 1,860,115.88 is: 2,566,576.73
Step by Step Solution
- Step 1: Write the proportion equation
3,237,038.12 : 4,466,445.78 = 1,860,115.88 : x - Step 2: Convert to fraction form
3,237,038.12/4,466,445.78 = 1,860,115.88/x - Step 3: Cross multiply
3,237,038.12x = 4,466,445.78 × 1,860,115.88 - Step 4: Simplify right side
3,237,038.12x = 8,308,106,722,536.99 - Step 5: Solve for x
x = 8,308,106,722,536.99/3,237,038.12 - Step 6: Final answer
x = 2,566,576.73
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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.