Finding the Fourth Proportional to 3,605,312.72, 4,975,331.13 and 1,973,715.05
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Solution
The fourth proportional to 3,605,312.72, 4,975,331.13 and 1,973,715.05 is: 2,723,726.53
Step by Step Solution
- Step 1: Write the proportion equation
3,605,312.72 : 4,975,331.13 = 1,973,715.05 : x - Step 2: Convert to fraction form
3,605,312.72/4,975,331.13 = 1,973,715.05/x - Step 3: Cross multiply
3,605,312.72x = 4,975,331.13 × 1,973,715.05 - Step 4: Simplify right side
3,605,312.72x = 9,819,885,905,137.85 - Step 5: Solve for x
x = 9,819,885,905,137.85/3,605,312.72 - Step 6: Final answer
x = 2,723,726.53
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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.