Finding the Fourth Proportional to 5,615,731.98, 8,421,627.24 and 1,571,133.06
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Solution
The fourth proportional to 5,615,731.98, 8,421,627.24 and 1,571,133.06 is: 2,356,148.23
Step by Step Solution
- Step 1: Write the proportion equation
5,615,731.98 : 8,421,627.24 = 1,571,133.06 : x - Step 2: Convert to fraction form
5,615,731.98/8,421,627.24 = 1,571,133.06/x - Step 3: Cross multiply
5,615,731.98x = 8,421,627.24 × 1,571,133.06 - Step 4: Simplify right side
5,615,731.98x = 13,231,496,975,760.55 - Step 5: Solve for x
x = 13,231,496,975,760.55/5,615,731.98 - Step 6: Final answer
x = 2,356,148.23
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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.