Finding the Fourth Proportional to 5,377,717.08, 7,421,437.26 and 2,930,529.78
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Solution
The fourth proportional to 5,377,717.08, 7,421,437.26 and 2,930,529.78 is: 4,044,233.38
Step by Step Solution
- Step 1: Write the proportion equation
5,377,717.08 : 7,421,437.26 = 2,930,529.78 : x - Step 2: Convert to fraction form
5,377,717.08/7,421,437.26 = 2,930,529.78/x - Step 3: Cross multiply
5,377,717.08x = 7,421,437.26 × 2,930,529.78 - Step 4: Simplify right side
5,377,717.08x = 21,748,742,900,831.60 - Step 5: Solve for x
x = 21,748,742,900,831.60/5,377,717.08 - Step 6: Final answer
x = 4,044,233.38
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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.