Finding the Fourth Proportional to 5,645,075.95, 7,790,872.71 and 3,353,245.75
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Solution
The fourth proportional to 5,645,075.95, 7,790,872.71 and 3,353,245.75 is: 4,627,875.88
Step by Step Solution
- Step 1: Write the proportion equation
5,645,075.95 : 7,790,872.71 = 3,353,245.75 : x - Step 2: Convert to fraction form
5,645,075.95/7,790,872.71 = 3,353,245.75/x - Step 3: Cross multiply
5,645,075.95x = 7,790,872.71 × 3,353,245.75 - Step 4: Simplify right side
5,645,075.95x = 26,124,710,803,598.48 - Step 5: Solve for x
x = 26,124,710,803,598.48/5,645,075.95 - Step 6: Final answer
x = 4,627,875.88
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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.