Finding the Fourth Proportional to 4,866,369.86, 7,299,969.99 and 1,272,131.06
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Solution
The fourth proportional to 4,866,369.86, 7,299,969.99 and 1,272,131.06 is: 1,908,305.13
Step by Step Solution
- Step 1: Write the proportion equation
4,866,369.86 : 7,299,969.99 = 1,272,131.06 : x - Step 2: Convert to fraction form
4,866,369.86/7,299,969.99 = 1,272,131.06/x - Step 3: Cross multiply
4,866,369.86x = 7,299,969.99 × 1,272,131.06 - Step 4: Simplify right side
4,866,369.86x = 9,286,518,561,346.89 - Step 5: Solve for x
x = 9,286,518,561,346.89/4,866,369.86 - Step 6: Final answer
x = 1,908,305.13
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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.