Finding the Fourth Proportional to 4,089,698.10, 6,134,547.15 and 2,578,043.70
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Solution
The fourth proportional to 4,089,698.10, 6,134,547.15 and 2,578,043.70 is: 3,867,065.55
Step by Step Solution
- Step 1: Write the proportion equation
4,089,698.10 : 6,134,547.15 = 2,578,043.70 : x - Step 2: Convert to fraction form
4,089,698.10/6,134,547.15 = 2,578,043.70/x - Step 3: Cross multiply
4,089,698.10x = 6,134,547.15 × 2,578,043.70 - Step 4: Simplify right side
4,089,698.10x = 15,815,130,632,410.46 - Step 5: Solve for x
x = 15,815,130,632,410.46/4,089,698.10 - Step 6: Final answer
x = 3,867,065.55
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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.