Finding the Fourth Proportional to 7,838,963.19, 11,758,439.31 and 2,448,075.62
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Solution
The fourth proportional to 7,838,963.19, 11,758,439.31 and 2,448,075.62 is: 3,672,111.72
Step by Step Solution
- Step 1: Write the proportion equation
7,838,963.19 : 11,758,439.31 = 2,448,075.62 : x - Step 2: Convert to fraction form
7,838,963.19/11,758,439.31 = 2,448,075.62/x - Step 3: Cross multiply
7,838,963.19x = 11,758,439.31 × 2,448,075.62 - Step 4: Simplify right side
7,838,963.19x = 28,785,548,604,060.62 - Step 5: Solve for x
x = 28,785,548,604,060.62/7,838,963.19 - Step 6: Final answer
x = 3,672,111.72
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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.