Finding the Fourth Proportional to 1,869,382.08, 2,579,748.48 and 1,009,941.84
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Solution
The fourth proportional to 1,869,382.08, 2,579,748.48 and 1,009,941.84 is: 1,393,720.39
Step by Step Solution
- Step 1: Write the proportion equation
1,869,382.08 : 2,579,748.48 = 1,009,941.84 : x - Step 2: Convert to fraction form
1,869,382.08/2,579,748.48 = 1,009,941.84/x - Step 3: Cross multiply
1,869,382.08x = 2,579,748.48 × 1,009,941.84 - Step 4: Simplify right side
1,869,382.08x = 2,605,395,926,628.40 - Step 5: Solve for x
x = 2,605,395,926,628.40/1,869,382.08 - Step 6: Final answer
x = 1,393,720.39
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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.