Finding the Fourth Proportional to 1,602,812.60, 2,211,934.18 and 877,690.92
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Solution
The fourth proportional to 1,602,812.60, 2,211,934.18 and 877,690.92 is: 1,211,242.38
Step by Step Solution
- Step 1: Write the proportion equation
1,602,812.60 : 2,211,934.18 = 877,690.92 : x - Step 2: Convert to fraction form
1,602,812.60/2,211,934.18 = 877,690.92/x - Step 3: Cross multiply
1,602,812.60x = 2,211,934.18 × 877,690.92 - Step 4: Simplify right side
1,602,812.60x = 1,941,394,545,423.65 - Step 5: Solve for x
x = 1,941,394,545,423.65/1,602,812.60 - Step 6: Final answer
x = 1,211,242.38
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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.