Finding the Fourth Proportional to 4,681,558.70, 7,011,840.45 and 3,841,750.70
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Solution
The fourth proportional to 4,681,558.70, 7,011,840.45 and 3,841,750.70 is: 5,754,011.58
Step by Step Solution
- Step 1: Write the proportion equation
4,681,558.70 : 7,011,840.45 = 3,841,750.70 : x - Step 2: Convert to fraction form
4,681,558.70/7,011,840.45 = 3,841,750.70/x - Step 3: Cross multiply
4,681,558.70x = 7,011,840.45 × 3,841,750.70 - Step 4: Simplify right side
4,681,558.70x = 26,937,742,957,075.82 - Step 5: Solve for x
x = 26,937,742,957,075.82/4,681,558.70 - Step 6: Final answer
x = 5,754,011.58
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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.