Finding the Fourth Proportional to 2,028,596.50, 2,799,497.60 and 1,110,811.02
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Solution
The fourth proportional to 2,028,596.50, 2,799,497.60 and 1,110,811.02 is: 1,532,938.05
Step by Step Solution
- Step 1: Write the proportion equation
2,028,596.50 : 2,799,497.60 = 1,110,811.02 : x - Step 2: Convert to fraction form
2,028,596.50/2,799,497.60 = 1,110,811.02/x - Step 3: Cross multiply
2,028,596.50x = 2,799,497.60 × 1,110,811.02 - Step 4: Simplify right side
2,028,596.50x = 3,109,712,772,656.92 - Step 5: Solve for x
x = 3,109,712,772,656.92/2,028,596.50 - Step 6: Final answer
x = 1,532,938.05
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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.