Finding the Fourth Proportional to 1,488,943.87, 2,232,326.96 and 477,490.08
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Solution
The fourth proportional to 1,488,943.87, 2,232,326.96 and 477,490.08 is: 715,885.94
Step by Step Solution
- Step 1: Write the proportion equation
1,488,943.87 : 2,232,326.96 = 477,490.08 : x - Step 2: Convert to fraction form
1,488,943.87/2,232,326.96 = 477,490.08/x - Step 3: Cross multiply
1,488,943.87x = 2,232,326.96 × 477,490.08 - Step 4: Simplify right side
1,488,943.87x = 1,065,913,986,490.92 - Step 5: Solve for x
x = 1,065,913,986,490.92/1,488,943.87 - Step 6: Final answer
x = 715,885.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.