Finding the Fourth Proportional to 1,334,587.64, 2,010,988.63 and 1,103,115.56
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Solution
The fourth proportional to 1,334,587.64, 2,010,988.63 and 1,103,115.56 is: 1,662,200.95
Step by Step Solution
- Step 1: Write the proportion equation
1,334,587.64 : 2,010,988.63 = 1,103,115.56 : x - Step 2: Convert to fraction form
1,334,587.64/2,010,988.63 = 1,103,115.56/x - Step 3: Cross multiply
1,334,587.64x = 2,010,988.63 × 1,103,115.56 - Step 4: Simplify right side
1,334,587.64x = 2,218,352,840,060.03 - Step 5: Solve for x
x = 2,218,352,840,060.03/1,334,587.64 - Step 6: Final answer
x = 1,662,200.95
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.