Finding the Fourth Proportional to 5,602,569.12, 8,405,034.66 and 1,815,756.75
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Solution
The fourth proportional to 5,602,569.12, 8,405,034.66 and 1,815,756.75 is: 2,724,017.87
Step by Step Solution
- Step 1: Write the proportion equation
5,602,569.12 : 8,405,034.66 = 1,815,756.75 : x - Step 2: Convert to fraction form
5,602,569.12/8,405,034.66 = 1,815,756.75/x - Step 3: Cross multiply
5,602,569.12x = 8,405,034.66 × 1,815,756.75 - Step 4: Simplify right side
5,602,569.12x = 15,261,498,417,878.96 - Step 5: Solve for x
x = 15,261,498,417,878.96/5,602,569.12 - Step 6: Final answer
x = 2,724,017.87
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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.