Finding the Fourth Proportional to 2,208,321.24, 3,312,482.63 and 692,121.81
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Solution
The fourth proportional to 2,208,321.24, 3,312,482.63 and 692,121.81 is: 1,038,182.95
Step by Step Solution
- Step 1: Write the proportion equation
2,208,321.24 : 3,312,482.63 = 692,121.81 : x - Step 2: Convert to fraction form
2,208,321.24/3,312,482.63 = 692,121.81/x - Step 3: Cross multiply
2,208,321.24x = 3,312,482.63 × 692,121.81 - Step 4: Simplify right side
2,208,321.24x = 2,292,641,470,008.55 - Step 5: Solve for x
x = 2,292,641,470,008.55/2,208,321.24 - Step 6: Final answer
x = 1,038,182.95
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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.