Finding the Fourth Proportional to 2,107,554.47, 2,908,495.58 and 1,291,600.49
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Solution
The fourth proportional to 2,107,554.47, 2,908,495.58 and 1,291,600.49 is: 1,782,451.83
Step by Step Solution
- Step 1: Write the proportion equation
2,107,554.47 : 2,908,495.58 = 1,291,600.49 : x - Step 2: Convert to fraction form
2,107,554.47/2,908,495.58 = 1,291,600.49/x - Step 3: Cross multiply
2,107,554.47x = 2,908,495.58 × 1,291,600.49 - Step 4: Simplify right side
2,107,554.47x = 3,756,614,316,290.83 - Step 5: Solve for x
x = 3,756,614,316,290.83/2,107,554.47 - Step 6: Final answer
x = 1,782,451.83
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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.