Finding the Fourth Proportional to 1,584,276.60, 2,377,581.30 and 638,326.20
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Solution
The fourth proportional to 1,584,276.60, 2,377,581.30 and 638,326.20 is: 957,959.26
Step by Step Solution
- Step 1: Write the proportion equation
1,584,276.60 : 2,377,581.30 = 638,326.20 : x - Step 2: Convert to fraction form
1,584,276.60/2,377,581.30 = 638,326.20/x - Step 3: Cross multiply
1,584,276.60x = 2,377,581.30 × 638,326.20 - Step 4: Simplify right side
1,584,276.60x = 1,517,672,436,420.06 - Step 5: Solve for x
x = 1,517,672,436,420.06/1,584,276.60 - Step 6: Final answer
x = 957,959.26
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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.