Finding the Fourth Proportional to 5,919,681.75, 8,169,160.86 and 3,203,427.75
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Solution
The fourth proportional to 5,919,681.75, 8,169,160.86 and 3,203,427.75 is: 4,420,730.32
Step by Step Solution
- Step 1: Write the proportion equation
5,919,681.75 : 8,169,160.86 = 3,203,427.75 : x - Step 2: Convert to fraction form
5,919,681.75/8,169,160.86 = 3,203,427.75/x - Step 3: Cross multiply
5,919,681.75x = 8,169,160.86 × 3,203,427.75 - Step 4: Simplify right side
5,919,681.75x = 26,169,316,593,137.87 - Step 5: Solve for x
x = 26,169,316,593,137.87/5,919,681.75 - Step 6: Final answer
x = 4,420,730.32
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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.