Finding the Fourth Proportional to 1,948,157.08, 2,688,466.70 and 1,088,731.68
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Solution
The fourth proportional to 1,948,157.08, 2,688,466.70 and 1,088,731.68 is: 1,502,455.27
Step by Step Solution
- Step 1: Write the proportion equation
1,948,157.08 : 2,688,466.70 = 1,088,731.68 : x - Step 2: Convert to fraction form
1,948,157.08/2,688,466.70 = 1,088,731.68/x - Step 3: Cross multiply
1,948,157.08x = 2,688,466.70 × 1,088,731.68 - Step 4: Simplify right side
1,948,157.08x = 2,927,018,866,915.06 - Step 5: Solve for x
x = 2,927,018,866,915.06/1,948,157.08 - Step 6: Final answer
x = 1,502,455.27
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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.