Finding the Fourth Proportional to 1,689,739.15, 2,331,750.86 and 964,558.03
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Solution
The fourth proportional to 1,689,739.15, 2,331,750.86 and 964,558.03 is: 1,331,039.18
Step by Step Solution
- Step 1: Write the proportion equation
1,689,739.15 : 2,331,750.86 = 964,558.03 : x - Step 2: Convert to fraction form
1,689,739.15/2,331,750.86 = 964,558.03/x - Step 3: Cross multiply
1,689,739.15x = 2,331,750.86 × 964,558.03 - Step 4: Simplify right side
1,689,739.15x = 2,249,109,005,320.24 - Step 5: Solve for x
x = 2,249,109,005,320.24/1,689,739.15 - Step 6: Final answer
x = 1,331,039.18
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.