Finding the Fourth Proportional to 4,089,448.80, 6,134,464.80 and 1,249,556.40
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Solution
The fourth proportional to 4,089,448.80, 6,134,464.80 and 1,249,556.40 is: 1,874,423.70
Step by Step Solution
- Step 1: Write the proportion equation
4,089,448.80 : 6,134,464.80 = 1,249,556.40 : x - Step 2: Convert to fraction form
4,089,448.80/6,134,464.80 = 1,249,556.40/x - Step 3: Cross multiply
4,089,448.80x = 6,134,464.80 × 1,249,556.40 - Step 4: Simplify right side
4,089,448.80x = 7,665,359,751,414.72 - Step 5: Solve for x
x = 7,665,359,751,414.72/4,089,448.80 - Step 6: Final answer
x = 1,874,423.70
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1.5x scale
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.