Finding the Fourth Proportional to 3,461,539.86, 5,192,389.98 and 1,187,045.28
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Solution
The fourth proportional to 3,461,539.86, 5,192,389.98 and 1,187,045.28 is: 1,780,595.42
Step by Step Solution
- Step 1: Write the proportion equation
3,461,539.86 : 5,192,389.98 = 1,187,045.28 : x - Step 2: Convert to fraction form
3,461,539.86/5,192,389.98 = 1,187,045.28/x - Step 3: Cross multiply
3,461,539.86x = 5,192,389.98 × 1,187,045.28 - Step 4: Simplify right side
3,461,539.86x = 6,163,602,017,678.30 - Step 5: Solve for x
x = 6,163,602,017,678.30/3,461,539.86 - Step 6: Final answer
x = 1,780,595.42
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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.