Finding the Fourth Proportional to 1,477,725.68, 2,216,588.52 and 679,678.44
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Solution
The fourth proportional to 1,477,725.68, 2,216,588.52 and 679,678.44 is: 1,019,517.66
Step by Step Solution
- Step 1: Write the proportion equation
1,477,725.68 : 2,216,588.52 = 679,678.44 : x - Step 2: Convert to fraction form
1,477,725.68/2,216,588.52 = 679,678.44/x - Step 3: Cross multiply
1,477,725.68x = 2,216,588.52 × 679,678.44 - Step 4: Simplify right side
1,477,725.68x = 1,506,567,427,395.51 - Step 5: Solve for x
x = 1,506,567,427,395.51/1,477,725.68 - Step 6: Final answer
x = 1,019,517.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.