Finding the Fourth Proportional to 7,218,581.04, 10,827,326.64 and 2,101,050.84
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Solution
The fourth proportional to 7,218,581.04, 10,827,326.64 and 2,101,050.84 is: 3,151,417.65
Step by Step Solution
- Step 1: Write the proportion equation
7,218,581.04 : 10,827,326.64 = 2,101,050.84 : x - Step 2: Convert to fraction form
7,218,581.04/10,827,326.64 = 2,101,050.84/x - Step 3: Cross multiply
7,218,581.04x = 10,827,326.64 × 2,101,050.84 - Step 4: Simplify right side
7,218,581.04x = 22,748,763,731,926.38 - Step 5: Solve for x
x = 22,748,763,731,926.38/7,218,581.04 - Step 6: Final answer
x = 3,151,417.65
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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.