Finding the Fourth Proportional to 2,391,142, 3,299,772.96 and 1,303,415.68
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Solution
The fourth proportional to 2,391,142, 3,299,772.96 and 1,303,415.68 is: 1,798,712.00
Step by Step Solution
- Step 1: Write the proportion equation
2,391,142 : 3,299,772.96 = 1,303,415.68 : x - Step 2: Convert to fraction form
2,391,142/3,299,772.96 = 1,303,415.68/x - Step 3: Cross multiply
2,391,142x = 3,299,772.96 × 1,303,415.68 - Step 4: Simplify right side
2,391,142x = 4,300,975,816,504.01 - Step 5: Solve for x
x = 4,300,975,816,504.01/2,391,142 - Step 6: Final answer
x = 1,798,712.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.