Finding the Fourth Proportional to 7,238,712.12, 10,858,058.97 and 1,847,362.68
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Solution
The fourth proportional to 7,238,712.12, 10,858,058.97 and 1,847,362.68 is: 2,771,041.67
Step by Step Solution
- Step 1: Write the proportion equation
7,238,712.12 : 10,858,058.97 = 1,847,362.68 : x - Step 2: Convert to fraction form
7,238,712.12/10,858,058.97 = 1,847,362.68/x - Step 3: Cross multiply
7,238,712.12x = 10,858,058.97 × 1,847,362.68 - Step 4: Simplify right side
7,238,712.12x = 20,058,772,918,417.24 - Step 5: Solve for x
x = 20,058,772,918,417.24/7,238,712.12 - Step 6: Final answer
x = 2,771,041.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.