Finding the Fourth Proportional to 2,953,677.70, 4,430,516.55 and 959,133.70
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Solution
The fourth proportional to 2,953,677.70, 4,430,516.55 and 959,133.70 is: 1,438,700.55
Step by Step Solution
- Step 1: Write the proportion equation
2,953,677.70 : 4,430,516.55 = 959,133.70 : x - Step 2: Convert to fraction form
2,953,677.70/4,430,516.55 = 959,133.70/x - Step 3: Cross multiply
2,953,677.70x = 4,430,516.55 × 959,133.70 - Step 4: Simplify right side
2,953,677.70x = 4,249,457,731,512.73 - Step 5: Solve for x
x = 4,249,457,731,512.73/2,953,677.70 - Step 6: Final answer
x = 1,438,700.55
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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.