Finding the Fourth Proportional to 2,011,208.99, 2,775,409.98 and 1,140,124.48
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Solution
The fourth proportional to 2,011,208.99, 2,775,409.98 and 1,140,124.48 is: 1,573,338.66
Step by Step Solution
- Step 1: Write the proportion equation
2,011,208.99 : 2,775,409.98 = 1,140,124.48 : x - Step 2: Convert to fraction form
2,011,208.99/2,775,409.98 = 1,140,124.48/x - Step 3: Cross multiply
2,011,208.99x = 2,775,409.98 × 1,140,124.48 - Step 4: Simplify right side
2,011,208.99x = 3,164,312,860,234.31 - Step 5: Solve for x
x = 3,164,312,860,234.31/2,011,208.99 - Step 6: Final answer
x = 1,573,338.66
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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.