Finding the Fourth Proportional to 3,990,866.65, 5,984,746.98 and 1,294,539.85
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Solution
The fourth proportional to 3,990,866.65, 5,984,746.98 and 1,294,539.85 is: 1,941,306.02
Step by Step Solution
- Step 1: Write the proportion equation
3,990,866.65 : 5,984,746.98 = 1,294,539.85 : x - Step 2: Convert to fraction form
3,990,866.65/5,984,746.98 = 1,294,539.85/x - Step 3: Cross multiply
3,990,866.65x = 5,984,746.98 × 1,294,539.85 - Step 4: Simplify right side
3,990,866.65x = 7,747,493,457,777.15 - Step 5: Solve for x
x = 7,747,493,457,777.15/3,990,866.65 - Step 6: Final answer
x = 1,941,306.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.