Finding the Fourth Proportional to 1,557,028.08, 2,148,697.80 and 841,636.08
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Solution
The fourth proportional to 1,557,028.08, 2,148,697.80 and 841,636.08 is: 1,161,457.28
Step by Step Solution
- Step 1: Write the proportion equation
1,557,028.08 : 2,148,697.80 = 841,636.08 : x - Step 2: Convert to fraction form
1,557,028.08/2,148,697.80 = 841,636.08/x - Step 3: Cross multiply
1,557,028.08x = 2,148,697.80 × 841,636.08 - Step 4: Simplify right side
1,557,028.08x = 1,808,421,593,496.62 - Step 5: Solve for x
x = 1,808,421,593,496.62/1,557,028.08 - Step 6: Final answer
x = 1,161,457.28
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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.