Finding the Fourth Proportional to 5,626,839.30, 8,440,973.94 and 1,787,291.86
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Solution
The fourth proportional to 5,626,839.30, 8,440,973.94 and 1,787,291.86 is: 2,681,164.90
Step by Step Solution
- Step 1: Write the proportion equation
5,626,839.30 : 8,440,973.94 = 1,787,291.86 : x - Step 2: Convert to fraction form
5,626,839.30/8,440,973.94 = 1,787,291.86/x - Step 3: Cross multiply
5,626,839.30x = 8,440,973.94 × 1,787,291.86 - Step 4: Simplify right side
5,626,839.30x = 15,086,484,013,434.13 - Step 5: Solve for x
x = 15,086,484,013,434.13/5,626,839.30 - Step 6: Final answer
x = 2,681,164.90
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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.