Finding the Fourth Proportional to 5,445,287.80, 8,167,931.70 and 2,249,351.80
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Solution
The fourth proportional to 5,445,287.80, 8,167,931.70 and 2,249,351.80 is: 3,374,027.70
Step by Step Solution
- Step 1: Write the proportion equation
5,445,287.80 : 8,167,931.70 = 2,249,351.80 : x - Step 2: Convert to fraction form
5,445,287.80/8,167,931.70 = 2,249,351.80/x - Step 3: Cross multiply
5,445,287.80x = 8,167,931.70 × 2,249,351.80 - Step 4: Simplify right side
5,445,287.80x = 18,372,551,871,672.06 - Step 5: Solve for x
x = 18,372,551,871,672.06/5,445,287.80 - Step 6: Final answer
x = 3,374,027.70
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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.