Finding the Fourth Proportional to 4,758,165.21, 6,549,673.14 and 4,106,857.58
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Solution
The fourth proportional to 4,758,165.21, 6,549,673.14 and 4,106,857.58 is: 5,653,140.15
Step by Step Solution
- Step 1: Write the proportion equation
4,758,165.21 : 6,549,673.14 = 4,106,857.58 : x - Step 2: Convert to fraction form
4,758,165.21/6,549,673.14 = 4,106,857.58/x - Step 3: Cross multiply
4,758,165.21x = 6,549,673.14 × 4,106,857.58 - Step 4: Simplify right side
4,758,165.21x = 26,898,574,781,531.40 - Step 5: Solve for x
x = 26,898,574,781,531.40/4,758,165.21 - Step 6: Final answer
x = 5,653,140.15
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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.