Finding the Fourth Proportional to 1,646,421.49, 2,271,790.14 and 1,034,138.04
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Solution
The fourth proportional to 1,646,421.49, 2,271,790.14 and 1,034,138.04 is: 1,426,939.95
Step by Step Solution
- Step 1: Write the proportion equation
1,646,421.49 : 2,271,790.14 = 1,034,138.04 : x - Step 2: Convert to fraction form
1,646,421.49/2,271,790.14 = 1,034,138.04/x - Step 3: Cross multiply
1,646,421.49x = 2,271,790.14 × 1,034,138.04 - Step 4: Simplify right side
1,646,421.49x = 2,349,344,596,090.72 - Step 5: Solve for x
x = 2,349,344,596,090.72/1,646,421.49 - Step 6: Final answer
x = 1,426,939.95
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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.