Finding the Fourth Proportional to 2,712,278.80, 3,744,935.40 and 2,376,355.60
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Solution
The fourth proportional to 2,712,278.80, 3,744,935.40 and 2,376,355.60 is: 3,281,114.84
Step by Step Solution
- Step 1: Write the proportion equation
2,712,278.80 : 3,744,935.40 = 2,376,355.60 : x - Step 2: Convert to fraction form
2,712,278.80/3,744,935.40 = 2,376,355.60/x - Step 3: Cross multiply
2,712,278.80x = 3,744,935.40 × 2,376,355.60 - Step 4: Simplify right side
2,712,278.80x = 8,899,298,209,428.24 - Step 5: Solve for x
x = 8,899,298,209,428.24/2,712,278.80 - Step 6: Final answer
x = 3,281,114.84
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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.