Finding the Fourth Proportional to 5,643,307.04, 7,787,679.73 and 3,162,490.88
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Solution
The fourth proportional to 5,643,307.04, 7,787,679.73 and 3,162,490.88 is: 4,364,190.34
Step by Step Solution
- Step 1: Write the proportion equation
5,643,307.04 : 7,787,679.73 = 3,162,490.88 : x - Step 2: Convert to fraction form
5,643,307.04/7,787,679.73 = 3,162,490.88/x - Step 3: Cross multiply
5,643,307.04x = 7,787,679.73 × 3,162,490.88 - Step 4: Simplify right side
5,643,307.04x = 24,628,466,075,641.24 - Step 5: Solve for x
x = 24,628,466,075,641.24/5,643,307.04 - Step 6: Final answer
x = 4,364,190.34
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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.