Finding the Fourth Proportional to 7,127,752.68, 10,686,905.97 and 2,578,202.70
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Solution
The fourth proportional to 7,127,752.68, 10,686,905.97 and 2,578,202.70 is: 3,865,595.66
Step by Step Solution
- Step 1: Write the proportion equation
7,127,752.68 : 10,686,905.97 = 2,578,202.70 : x - Step 2: Convert to fraction form
7,127,752.68/10,686,905.97 = 2,578,202.70/x - Step 3: Cross multiply
7,127,752.68x = 10,686,905.97 × 2,578,202.70 - Step 4: Simplify right side
7,127,752.68x = 27,553,009,826,500.12 - Step 5: Solve for x
x = 27,553,009,826,500.12/7,127,752.68 - Step 6: Final answer
x = 3,865,595.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.