Finding the Fourth Proportional to 1,936,000.19, 2,671,745.18 and 1,064,871.74
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Solution
The fourth proportional to 1,936,000.19, 2,671,745.18 and 1,064,871.74 is: 1,469,558.70
Step by Step Solution
- Step 1: Write the proportion equation
1,936,000.19 : 2,671,745.18 = 1,064,871.74 : x - Step 2: Convert to fraction form
1,936,000.19/2,671,745.18 = 1,064,871.74/x - Step 3: Cross multiply
1,936,000.19x = 2,671,745.18 × 1,064,871.74 - Step 4: Simplify right side
1,936,000.19x = 2,845,065,919,980.13 - Step 5: Solve for x
x = 2,845,065,919,980.13/1,936,000.19 - Step 6: Final answer
x = 1,469,558.70
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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.