Finding the Fourth Proportional to 1,402,811.46, 2,104,465.05 and 456,015.42
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Solution
The fourth proportional to 1,402,811.46, 2,104,465.05 and 456,015.42 is: 684,103.70
Step by Step Solution
- Step 1: Write the proportion equation
1,402,811.46 : 2,104,465.05 = 456,015.42 : x - Step 2: Convert to fraction form
1,402,811.46/2,104,465.05 = 456,015.42/x - Step 3: Cross multiply
1,402,811.46x = 2,104,465.05 × 456,015.42 - Step 4: Simplify right side
1,402,811.46x = 959,668,513,651.07 - Step 5: Solve for x
x = 959,668,513,651.07/1,402,811.46 - Step 6: Final answer
x = 684,103.70
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1.5x scale
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.