Finding the Fourth Proportional to 4,139,645.19, 6,209,031 and 1,107,317.04
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Solution
The fourth proportional to 4,139,645.19, 6,209,031 and 1,107,317.04 is: 1,660,858.72
Step by Step Solution
- Step 1: Write the proportion equation
4,139,645.19 : 6,209,031 = 1,107,317.04 : x - Step 2: Convert to fraction form
4,139,645.19/6,209,031 = 1,107,317.04/x - Step 3: Cross multiply
4,139,645.19x = 6,209,031 × 1,107,317.04 - Step 4: Simplify right side
4,139,645.19x = 6,875,365,828,188.24 - Step 5: Solve for x
x = 6,875,365,828,188.24/4,139,645.19 - Step 6: Final answer
x = 1,660,858.72
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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.