Finding the Fourth Proportional to 5,128,270.84, 7,695,030.66 and 2,097,876.16
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Solution
The fourth proportional to 5,128,270.84, 7,695,030.66 and 2,097,876.16 is: 3,147,887.83
Step by Step Solution
- Step 1: Write the proportion equation
5,128,270.84 : 7,695,030.66 = 2,097,876.16 : x - Step 2: Convert to fraction form
5,128,270.84/7,695,030.66 = 2,097,876.16/x - Step 3: Cross multiply
5,128,270.84x = 7,695,030.66 × 2,097,876.16 - Step 4: Simplify right side
5,128,270.84x = 16,143,221,372,083.07 - Step 5: Solve for x
x = 16,143,221,372,083.07/5,128,270.84 - Step 6: Final answer
x = 3,147,887.83
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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.