Finding the Fourth Proportional to 2,129,426.60, 3,194,139.90 and 633,518.60
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Solution
The fourth proportional to 2,129,426.60, 3,194,139.90 and 633,518.60 is: 950,277.90
Step by Step Solution
- Step 1: Write the proportion equation
2,129,426.60 : 3,194,139.90 = 633,518.60 : x - Step 2: Convert to fraction form
2,129,426.60/3,194,139.90 = 633,518.60/x - Step 3: Cross multiply
2,129,426.60x = 3,194,139.90 × 633,518.60 - Step 4: Simplify right side
2,129,426.60x = 2,023,547,037,652.14 - Step 5: Solve for x
x = 2,023,547,037,652.14/2,129,426.60 - Step 6: Final answer
x = 950,277.90
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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.