Finding the Fourth Proportional to 2,103,289.56, 3,155,358.76 and 664,197.80
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Solution
The fourth proportional to 2,103,289.56, 3,155,358.76 and 664,197.80 is: 996,430.73
Step by Step Solution
- Step 1: Write the proportion equation
2,103,289.56 : 3,155,358.76 = 664,197.80 : x - Step 2: Convert to fraction form
2,103,289.56/3,155,358.76 = 664,197.80/x - Step 3: Cross multiply
2,103,289.56x = 3,155,358.76 × 664,197.80 - Step 4: Simplify right side
2,103,289.56x = 2,095,782,346,602.73 - Step 5: Solve for x
x = 2,095,782,346,602.73/2,103,289.56 - Step 6: Final answer
x = 996,430.73
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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.