Finding the Fourth Proportional to 1,660,823.49, 2,291,925.98 and 935,904.07
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Solution
The fourth proportional to 1,660,823.49, 2,291,925.98 and 935,904.07 is: 1,291,541.74
Step by Step Solution
- Step 1: Write the proportion equation
1,660,823.49 : 2,291,925.98 = 935,904.07 : x - Step 2: Convert to fraction form
1,660,823.49/2,291,925.98 = 935,904.07/x - Step 3: Cross multiply
1,660,823.49x = 2,291,925.98 × 935,904.07 - Step 4: Simplify right side
1,660,823.49x = 2,145,022,858,025.41 - Step 5: Solve for x
x = 2,145,022,858,025.41/1,660,823.49 - Step 6: Final answer
x = 1,291,541.74
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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.