Finding the Fourth Proportional to 3,349,443.24, 4,623,434.10 and 1,991,313
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Solution
The fourth proportional to 3,349,443.24, 4,623,434.10 and 1,991,313 is: 2,748,726.81
Step by Step Solution
- Step 1: Write the proportion equation
3,349,443.24 : 4,623,434.10 = 1,991,313 : x - Step 2: Convert to fraction form
3,349,443.24/4,623,434.10 = 1,991,313/x - Step 3: Cross multiply
3,349,443.24x = 4,623,434.10 × 1,991,313 - Step 4: Simplify right side
3,349,443.24x = 9,206,704,427,973.30 - Step 5: Solve for x
x = 9,206,704,427,973.30/3,349,443.24 - Step 6: Final answer
x = 2,748,726.81
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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.