Finding the Fourth Proportional to 5,032,412.99, 7,548,408.63 and 1,620,624.07
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Solution
The fourth proportional to 5,032,412.99, 7,548,408.63 and 1,620,624.07 is: 2,430,868.20
Step by Step Solution
- Step 1: Write the proportion equation
5,032,412.99 : 7,548,408.63 = 1,620,624.07 : x - Step 2: Convert to fraction form
5,032,412.99/7,548,408.63 = 1,620,624.07/x - Step 3: Cross multiply
5,032,412.99x = 7,548,408.63 × 1,620,624.07 - Step 4: Simplify right side
5,032,412.99x = 12,233,132,697,102.70 - Step 5: Solve for x
x = 12,233,132,697,102.70/5,032,412.99 - Step 6: Final answer
x = 2,430,868.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.