Finding the Fourth Proportional to 3,306,418.99, 4,959,681.08 and 1,257,110.80
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Solution
The fourth proportional to 3,306,418.99, 4,959,681.08 and 1,257,110.80 is: 1,885,686.19
Step by Step Solution
- Step 1: Write the proportion equation
3,306,418.99 : 4,959,681.08 = 1,257,110.80 : x - Step 2: Convert to fraction form
3,306,418.99/4,959,681.08 = 1,257,110.80/x - Step 3: Cross multiply
3,306,418.99x = 4,959,681.08 × 1,257,110.80 - Step 4: Simplify right side
3,306,418.99x = 6,234,868,631,538.91 - Step 5: Solve for x
x = 6,234,868,631,538.91/3,306,418.99 - Step 6: Final answer
x = 1,885,686.19
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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.