Finding the Fourth Proportional to 2,565,176.40, 3,845,226.60 and 1,214,965.80
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Solution
The fourth proportional to 2,565,176.40, 3,845,226.60 and 1,214,965.80 is: 1,821,246.61
Step by Step Solution
- Step 1: Write the proportion equation
2,565,176.40 : 3,845,226.60 = 1,214,965.80 : x - Step 2: Convert to fraction form
2,565,176.40/3,845,226.60 = 1,214,965.80/x - Step 3: Cross multiply
2,565,176.40x = 3,845,226.60 × 1,214,965.80 - Step 4: Simplify right side
2,565,176.40x = 4,671,818,812,250.28 - Step 5: Solve for x
x = 4,671,818,812,250.28/2,565,176.40 - Step 6: Final answer
x = 1,821,246.61
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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.