Finding the Fourth Proportional to 1,878,619.67, 2,592,496.09 and 1,019,179.70
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Solution
The fourth proportional to 1,878,619.67, 2,592,496.09 and 1,019,179.70 is: 1,406,468.50
Step by Step Solution
- Step 1: Write the proportion equation
1,878,619.67 : 2,592,496.09 = 1,019,179.70 : x - Step 2: Convert to fraction form
1,878,619.67/2,592,496.09 = 1,019,179.70/x - Step 3: Cross multiply
1,878,619.67x = 2,592,496.09 × 1,019,179.70 - Step 4: Simplify right side
1,878,619.67x = 2,642,219,387,257.37 - Step 5: Solve for x
x = 2,642,219,387,257.37/1,878,619.67 - Step 6: Final answer
x = 1,406,468.50
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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.