Finding the Fourth Proportional to 5,565,438.16, 7,681,115.48 and 3,118,214.62
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Solution
The fourth proportional to 5,565,438.16, 7,681,115.48 and 3,118,214.62 is: 4,303,590.46
Step by Step Solution
- Step 1: Write the proportion equation
5,565,438.16 : 7,681,115.48 = 3,118,214.62 : x - Step 2: Convert to fraction form
5,565,438.16/7,681,115.48 = 3,118,214.62/x - Step 3: Cross multiply
5,565,438.16x = 7,681,115.48 × 3,118,214.62 - Step 4: Simplify right side
5,565,438.16x = 23,951,366,581,654.64 - Step 5: Solve for x
x = 23,951,366,581,654.64/5,565,438.16 - Step 6: Final answer
x = 4,303,590.46
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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.