Finding the Fourth Proportional to 2,075,998.74, 2,864,878.65 and 1,170,580.74
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Solution
The fourth proportional to 2,075,998.74, 2,864,878.65 and 1,170,580.74 is: 1,615,401.64
Step by Step Solution
- Step 1: Write the proportion equation
2,075,998.74 : 2,864,878.65 = 1,170,580.74 : x - Step 2: Convert to fraction form
2,075,998.74/2,864,878.65 = 1,170,580.74/x - Step 3: Cross multiply
2,075,998.74x = 2,864,878.65 × 1,170,580.74 - Step 4: Simplify right side
2,075,998.74x = 3,353,571,770,127.20 - Step 5: Solve for x
x = 3,353,571,770,127.20/2,075,998.74 - Step 6: Final answer
x = 1,615,401.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.