Finding the Fourth Proportional to 4,742,077.09, 6,543,369.87 and 2,648,661.61
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Solution
The fourth proportional to 4,742,077.09, 6,543,369.87 and 2,648,661.61 is: 3,654,763.99
Step by Step Solution
- Step 1: Write the proportion equation
4,742,077.09 : 6,543,369.87 = 2,648,661.61 : x - Step 2: Convert to fraction form
4,742,077.09/6,543,369.87 = 2,648,661.61/x - Step 3: Cross multiply
4,742,077.09x = 6,543,369.87 × 2,648,661.61 - Step 4: Simplify right side
4,742,077.09x = 17,331,172,593,249.01 - Step 5: Solve for x
x = 17,331,172,593,249.01/4,742,077.09 - Step 6: Final answer
x = 3,654,763.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.