Finding the Fourth Proportional to 1,447,486.18, 1,997,492.32 and 835,618.26
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Solution
The fourth proportional to 1,447,486.18, 1,997,492.32 and 835,618.26 is: 1,153,130.91
Step by Step Solution
- Step 1: Write the proportion equation
1,447,486.18 : 1,997,492.32 = 835,618.26 : x - Step 2: Convert to fraction form
1,447,486.18/1,997,492.32 = 835,618.26/x - Step 3: Cross multiply
1,447,486.18x = 1,997,492.32 × 835,618.26 - Step 4: Simplify right side
1,447,486.18x = 1,669,141,056,801.76 - Step 5: Solve for x
x = 1,669,141,056,801.76/1,447,486.18 - Step 6: Final answer
x = 1,153,130.91
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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.