Finding the Fourth Proportional to 2,788,587.36, 3,848,327.16 and 1,564,967.88
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Solution
The fourth proportional to 2,788,587.36, 3,848,327.16 and 1,564,967.88 is: 2,159,698.66
Step by Step Solution
- Step 1: Write the proportion equation
2,788,587.36 : 3,848,327.16 = 1,564,967.88 : x - Step 2: Convert to fraction form
2,788,587.36/3,848,327.16 = 1,564,967.88/x - Step 3: Cross multiply
2,788,587.36x = 3,848,327.16 × 1,564,967.88 - Step 4: Simplify right side
2,788,587.36x = 6,022,508,397,131.62 - Step 5: Solve for x
x = 6,022,508,397,131.62/2,788,587.36 - Step 6: Final answer
x = 2,159,698.66
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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.