Finding the Fourth Proportional to 4,248,699.20, 5,863,130.80 and 2,314,975.76
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Solution
The fourth proportional to 4,248,699.20, 5,863,130.80 and 2,314,975.76 is: 3,194,626.18
Step by Step Solution
- Step 1: Write the proportion equation
4,248,699.20 : 5,863,130.80 = 2,314,975.76 : x - Step 2: Convert to fraction form
4,248,699.20/5,863,130.80 = 2,314,975.76/x - Step 3: Cross multiply
4,248,699.20x = 5,863,130.80 × 2,314,975.76 - Step 4: Simplify right side
4,248,699.20x = 13,573,005,679,709.41 - Step 5: Solve for x
x = 13,573,005,679,709.41/4,248,699.20 - Step 6: Final answer
x = 3,194,626.18
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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.