Finding the Fourth Proportional to 6,413,946.40, 8,850,931.50 and 3,513,350.14
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Solution
The fourth proportional to 6,413,946.40, 8,850,931.50 and 3,513,350.14 is: 4,848,250.90
Step by Step Solution
- Step 1: Write the proportion equation
6,413,946.40 : 8,850,931.50 = 3,513,350.14 : x - Step 2: Convert to fraction form
6,413,946.40/8,850,931.50 = 3,513,350.14/x - Step 3: Cross multiply
6,413,946.40x = 8,850,931.50 × 3,513,350.14 - Step 4: Simplify right side
6,413,946.40x = 31,096,421,424,655.41 - Step 5: Solve for x
x = 31,096,421,424,655.41/6,413,946.40 - Step 6: Final answer
x = 4,848,250.90
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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.