Finding the Fourth Proportional to 2,281,476.87, 3,148,438.12 and 1,262,881.62
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Solution
The fourth proportional to 2,281,476.87, 3,148,438.12 and 1,262,881.62 is: 1,742,776.66
Step by Step Solution
- Step 1: Write the proportion equation
2,281,476.87 : 3,148,438.12 = 1,262,881.62 : x - Step 2: Convert to fraction form
2,281,476.87/3,148,438.12 = 1,262,881.62/x - Step 3: Cross multiply
2,281,476.87x = 3,148,438.12 × 1,262,881.62 - Step 4: Simplify right side
2,281,476.87x = 3,976,104,630,298.15 - Step 5: Solve for x
x = 3,976,104,630,298.15/2,281,476.87 - Step 6: Final answer
x = 1,742,776.66
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1.5x scale
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.