Finding the Fourth Proportional to 4,950,069.47, 7,420,812.90 and 1,915,347.26
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Solution
The fourth proportional to 4,950,069.47, 7,420,812.90 and 1,915,347.26 is: 2,871,360.44
Step by Step Solution
- Step 1: Write the proportion equation
4,950,069.47 : 7,420,812.90 = 1,915,347.26 : x - Step 2: Convert to fraction form
4,950,069.47/7,420,812.90 = 1,915,347.26/x - Step 3: Cross multiply
4,950,069.47x = 7,420,812.90 × 1,915,347.26 - Step 4: Simplify right side
4,950,069.47x = 14,213,433,671,744.05 - Step 5: Solve for x
x = 14,213,433,671,744.05/4,950,069.47 - Step 6: Final answer
x = 2,871,360.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.