Finding the Fourth Proportional to 4,089,423.80, 6,134,427.30 and 1,249,531.40
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Solution
The fourth proportional to 4,089,423.80, 6,134,427.30 and 1,249,531.40 is: 1,874,386.20
Step by Step Solution
- Step 1: Write the proportion equation
4,089,423.80 : 6,134,427.30 = 1,249,531.40 : x - Step 2: Convert to fraction form
4,089,423.80/6,134,427.30 = 1,249,531.40/x - Step 3: Cross multiply
4,089,423.80x = 6,134,427.30 × 1,249,531.40 - Step 4: Simplify right side
4,089,423.80x = 7,665,159,532,367.22 - Step 5: Solve for x
x = 7,665,159,532,367.22/4,089,423.80 - Step 6: Final answer
x = 1,874,386.20
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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.