Finding the Fourth Proportional to 2,848,106.88, 3,930,487.41 and 1,558,948.28
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Solution
The fourth proportional to 2,848,106.88, 3,930,487.41 and 1,558,948.28 is: 2,151,403.32
Step by Step Solution
- Step 1: Write the proportion equation
2,848,106.88 : 3,930,487.41 = 1,558,948.28 : x - Step 2: Convert to fraction form
2,848,106.88/3,930,487.41 = 1,558,948.28/x - Step 3: Cross multiply
2,848,106.88x = 3,930,487.41 × 1,558,948.28 - Step 4: Simplify right side
2,848,106.88x = 6,127,426,587,381.16 - Step 5: Solve for x
x = 6,127,426,587,381.16/2,848,106.88 - Step 6: Final answer
x = 2,151,403.32
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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.