Finding the Fourth Proportional to 1,689,429.29, 2,331,579.63 and 964,386.03
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Solution
The fourth proportional to 1,689,429.29, 2,331,579.63 and 964,386.03 is: 1,330,948.18
Step by Step Solution
- Step 1: Write the proportion equation
1,689,429.29 : 2,331,579.63 = 964,386.03 : x - Step 2: Convert to fraction form
1,689,429.29/2,331,579.63 = 964,386.03/x - Step 3: Cross multiply
1,689,429.29x = 2,331,579.63 × 964,386.03 - Step 4: Simplify right side
1,689,429.29x = 2,248,542,835,364.44 - Step 5: Solve for x
x = 2,248,542,835,364.44/1,689,429.29 - Step 6: Final answer
x = 1,330,948.18
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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.