Finding the Fourth Proportional to 1,438,347.48, 1,984,917.52 and 793,767.84
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Solution
The fourth proportional to 1,438,347.48, 1,984,917.52 and 793,767.84 is: 1,095,398.51
Step by Step Solution
- Step 1: Write the proportion equation
1,438,347.48 : 1,984,917.52 = 793,767.84 : x - Step 2: Convert to fraction form
1,438,347.48/1,984,917.52 = 793,767.84/x - Step 3: Cross multiply
1,438,347.48x = 1,984,917.52 × 793,767.84 - Step 4: Simplify right side
1,438,347.48x = 1,575,563,692,428.56 - Step 5: Solve for x
x = 1,575,563,692,428.56/1,438,347.48 - Step 6: Final answer
x = 1,095,398.51
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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.