Finding the Fourth Proportional to 4,315,978.64, 6,473,965.80 and 1,283,331.44
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Solution
The fourth proportional to 4,315,978.64, 6,473,965.80 and 1,283,331.44 is: 1,924,996.52
Step by Step Solution
- Step 1: Write the proportion equation
4,315,978.64 : 6,473,965.80 = 1,283,331.44 : x - Step 2: Convert to fraction form
4,315,978.64/6,473,965.80 = 1,283,331.44/x - Step 3: Cross multiply
4,315,978.64x = 6,473,965.80 × 1,283,331.44 - Step 4: Simplify right side
4,315,978.64x = 8,308,243,852,624.75 - Step 5: Solve for x
x = 8,308,243,852,624.75/4,315,978.64 - Step 6: Final answer
x = 1,924,996.52
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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.