Finding the Fourth Proportional to 1,537,937.10, 2,106,938.84 and 1,480,435.20
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Solution
The fourth proportional to 1,537,937.10, 2,106,938.84 and 1,480,435.20 is: 2,028,162.54
Step by Step Solution
- Step 1: Write the proportion equation
1,537,937.10 : 2,106,938.84 = 1,480,435.20 : x - Step 2: Convert to fraction form
1,537,937.10/2,106,938.84 = 1,480,435.20/x - Step 3: Cross multiply
1,537,937.10x = 2,106,938.84 × 1,480,435.20 - Step 4: Simplify right side
1,537,937.10x = 3,119,186,415,580.99 - Step 5: Solve for x
x = 3,119,186,415,580.99/1,537,937.10 - Step 6: Final answer
x = 2,028,162.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.