Finding the Fourth Proportional to 3,849,695.54, 5,312,023.74 and 2,130,811.95
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Solution
The fourth proportional to 3,849,695.54, 5,312,023.74 and 2,130,811.95 is: 2,940,212.69
Step by Step Solution
- Step 1: Write the proportion equation
3,849,695.54 : 5,312,023.74 = 2,130,811.95 : x - Step 2: Convert to fraction form
3,849,695.54/5,312,023.74 = 2,130,811.95/x - Step 3: Cross multiply
3,849,695.54x = 5,312,023.74 × 2,130,811.95 - Step 4: Simplify right side
3,849,695.54x = 11,318,923,663,875.70 - Step 5: Solve for x
x = 11,318,923,663,875.70/3,849,695.54 - Step 6: Final answer
x = 2,940,212.69
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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.