Finding the Fourth Proportional to 4,853,679.36, 7,281,580.80 and 1,488,148.80
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Solution
The fourth proportional to 4,853,679.36, 7,281,580.80 and 1,488,148.80 is: 2,232,548.74
Step by Step Solution
- Step 1: Write the proportion equation
4,853,679.36 : 7,281,580.80 = 1,488,148.80 : x - Step 2: Convert to fraction form
4,853,679.36/7,281,580.80 = 1,488,148.80/x - Step 3: Cross multiply
4,853,679.36x = 7,281,580.80 × 1,488,148.80 - Step 4: Simplify right side
4,853,679.36x = 10,836,075,729,623.04 - Step 5: Solve for x
x = 10,836,075,729,623.04/4,853,679.36 - Step 6: Final answer
x = 2,232,548.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.