Finding the Fourth Proportional to 2,688,291.42, 3,709,830.94 and 1,464,593.12
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Solution
The fourth proportional to 2,688,291.42, 3,709,830.94 and 1,464,593.12 is: 2,021,132.39
Step by Step Solution
- Step 1: Write the proportion equation
2,688,291.42 : 3,709,830.94 = 1,464,593.12 : x - Step 2: Convert to fraction form
2,688,291.42/3,709,830.94 = 1,464,593.12/x - Step 3: Cross multiply
2,688,291.42x = 3,709,830.94 × 1,464,593.12 - Step 4: Simplify right side
2,688,291.42x = 5,433,392,871,087.13 - Step 5: Solve for x
x = 5,433,392,871,087.13/2,688,291.42 - Step 6: Final answer
x = 2,021,132.39
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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.