Finding the Fourth Proportional to 7,927,072.62, 11,886,281.74 and 2,386,800.19
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Solution
The fourth proportional to 7,927,072.62, 11,886,281.74 and 2,386,800.19 is: 3,578,897.39
Step by Step Solution
- Step 1: Write the proportion equation
7,927,072.62 : 11,886,281.74 = 2,386,800.19 : x - Step 2: Convert to fraction form
7,927,072.62/11,886,281.74 = 2,386,800.19/x - Step 3: Cross multiply
7,927,072.62x = 11,886,281.74 × 2,386,800.19 - Step 4: Simplify right side
7,927,072.62x = 28,370,179,515,425.53 - Step 5: Solve for x
x = 28,370,179,515,425.53/7,927,072.62 - Step 6: Final answer
x = 3,578,897.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.