Finding the Fourth Proportional to 1,798,642.48, 2,480,951.28 and 1,153,040.08
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Solution
The fourth proportional to 1,798,642.48, 2,480,951.28 and 1,153,040.08 is: 1,590,441.84
Step by Step Solution
- Step 1: Write the proportion equation
1,798,642.48 : 2,480,951.28 = 1,153,040.08 : x - Step 2: Convert to fraction form
1,798,642.48/2,480,951.28 = 1,153,040.08/x - Step 3: Cross multiply
1,798,642.48x = 2,480,951.28 × 1,153,040.08 - Step 4: Simplify right side
1,798,642.48x = 2,860,636,262,367.30 - Step 5: Solve for x
x = 2,860,636,262,367.30/1,798,642.48 - Step 6: Final answer
x = 1,590,441.84
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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.