Finding the Fourth Proportional to 1,845,793.05, 2,768,689.58 and 1,668,646.05
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Solution
The fourth proportional to 1,845,793.05, 2,768,689.58 and 1,668,646.05 is: 2,502,969.08
Step by Step Solution
- Step 1: Write the proportion equation
1,845,793.05 : 2,768,689.58 = 1,668,646.05 : x - Step 2: Convert to fraction form
1,845,793.05/2,768,689.58 = 1,668,646.05/x - Step 3: Cross multiply
1,845,793.05x = 2,768,689.58 × 1,668,646.05 - Step 4: Simplify right side
1,845,793.05x = 4,619,962,922,999.93 - Step 5: Solve for x
x = 4,619,962,922,999.93/1,845,793.05 - Step 6: Final answer
x = 2,502,969.08
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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.