Finding the Fourth Proportional to 1,425,965.42, 2,138,925.18 and 346,486.52
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Solution
The fourth proportional to 1,425,965.42, 2,138,925.18 and 346,486.52 is: 519,724.20
Step by Step Solution
- Step 1: Write the proportion equation
1,425,965.42 : 2,138,925.18 = 346,486.52 : x - Step 2: Convert to fraction form
1,425,965.42/2,138,925.18 = 346,486.52/x - Step 3: Cross multiply
1,425,965.42x = 2,138,925.18 × 346,486.52 - Step 4: Simplify right side
1,425,965.42x = 741,108,742,158.57 - Step 5: Solve for x
x = 741,108,742,158.57/1,425,965.42 - Step 6: Final answer
x = 519,724.20
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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.