Finding the Fourth Proportional to 4,772,901.21, 6,587,991.60 and 3,119,297.07
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Solution
The fourth proportional to 4,772,901.21, 6,587,991.60 and 3,119,297.07 is: 4,305,537.03
Step by Step Solution
- Step 1: Write the proportion equation
4,772,901.21 : 6,587,991.60 = 3,119,297.07 : x - Step 2: Convert to fraction form
4,772,901.21/6,587,991.60 = 3,119,297.07/x - Step 3: Cross multiply
4,772,901.21x = 6,587,991.60 × 3,119,297.07 - Step 4: Simplify right side
4,772,901.21x = 20,549,902,895,064.61 - Step 5: Solve for x
x = 20,549,902,895,064.61/4,772,901.21 - Step 6: Final answer
x = 4,305,537.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.