Finding the Fourth Proportional to 5,915,387.57, 8,163,188.59 and 3,199,133.57
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Solution
The fourth proportional to 5,915,387.57, 8,163,188.59 and 3,199,133.57 is: 4,414,779.31
Step by Step Solution
- Step 1: Write the proportion equation
5,915,387.57 : 8,163,188.59 = 3,199,133.57 : x - Step 2: Convert to fraction form
5,915,387.57/8,163,188.59 = 3,199,133.57/x - Step 3: Cross multiply
5,915,387.57x = 8,163,188.59 × 3,199,133.57 - Step 4: Simplify right side
5,915,387.57x = 26,115,130,656,509.96 - Step 5: Solve for x
x = 26,115,130,656,509.96/5,915,387.57 - Step 6: Final answer
x = 4,414,779.31
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1.5x scale
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.