Finding the Fourth Proportional to 2,746,298.60, 4,119,447.90 and 1,623,789.80
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Solution
The fourth proportional to 2,746,298.60, 4,119,447.90 and 1,623,789.80 is: 2,435,684.70
Step by Step Solution
- Step 1: Write the proportion equation
2,746,298.60 : 4,119,447.90 = 1,623,789.80 : x - Step 2: Convert to fraction form
2,746,298.60/4,119,447.90 = 1,623,789.80/x - Step 3: Cross multiply
2,746,298.60x = 4,119,447.90 × 1,623,789.80 - Step 4: Simplify right side
2,746,298.60x = 6,689,117,481,651.42 - Step 5: Solve for x
x = 6,689,117,481,651.42/2,746,298.60 - Step 6: Final answer
x = 2,435,684.70
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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.