Finding the Fourth Proportional to 1,637,098.99, 2,258,896.71 and 911,928.67
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Solution
The fourth proportional to 1,637,098.99, 2,258,896.71 and 911,928.67 is: 1,258,294.51
Step by Step Solution
- Step 1: Write the proportion equation
1,637,098.99 : 2,258,896.71 = 911,928.67 : x - Step 2: Convert to fraction form
1,637,098.99/2,258,896.71 = 911,928.67/x - Step 3: Cross multiply
1,637,098.99x = 2,258,896.71 × 911,928.67 - Step 4: Simplify right side
1,637,098.99x = 2,059,952,672,417.68 - Step 5: Solve for x
x = 2,059,952,672,417.68/1,637,098.99 - Step 6: Final answer
x = 1,258,294.51
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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.