Finding the Fourth Proportional to 5,430,862.78, 7,494,667.40 and 2,983,699.99
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Solution
The fourth proportional to 5,430,862.78, 7,494,667.40 and 2,983,699.99 is: 4,117,548.16
Step by Step Solution
- Step 1: Write the proportion equation
5,430,862.78 : 7,494,667.40 = 2,983,699.99 : x - Step 2: Convert to fraction form
5,430,862.78/7,494,667.40 = 2,983,699.99/x - Step 3: Cross multiply
5,430,862.78x = 7,494,667.40 × 2,983,699.99 - Step 4: Simplify right side
5,430,862.78x = 22,361,839,040,883.16 - Step 5: Solve for x
x = 22,361,839,040,883.16/5,430,862.78 - Step 6: Final answer
x = 4,117,548.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.