Finding the Fourth Proportional to 5,251,670.48, 7,878,346.66 and 2,219,066.12
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Solution
The fourth proportional to 5,251,670.48, 7,878,346.66 and 2,219,066.12 is: 3,328,954.51
Step by Step Solution
- Step 1: Write the proportion equation
5,251,670.48 : 7,878,346.66 = 2,219,066.12 : x - Step 2: Convert to fraction form
5,251,670.48/7,878,346.66 = 2,219,066.12/x - Step 3: Cross multiply
5,251,670.48x = 7,878,346.66 × 2,219,066.12 - Step 4: Simplify right side
5,251,670.48x = 17,482,572,154,821.16 - Step 5: Solve for x
x = 17,482,572,154,821.16/5,251,670.48 - Step 6: Final answer
x = 3,328,954.51
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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.