Finding the Fourth Proportional to 1,931,473.22, 2,900,053.88 and 1,080,212.70
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Solution
The fourth proportional to 1,931,473.22, 2,900,053.88 and 1,080,212.70 is: 1,621,909.64
Step by Step Solution
- Step 1: Write the proportion equation
1,931,473.22 : 2,900,053.88 = 1,080,212.70 : x - Step 2: Convert to fraction form
1,931,473.22/2,900,053.88 = 1,080,212.70/x - Step 3: Cross multiply
1,931,473.22x = 2,900,053.88 × 1,080,212.70 - Step 4: Simplify right side
1,931,473.22x = 3,132,675,031,860.28 - Step 5: Solve for x
x = 3,132,675,031,860.28/1,931,473.22 - Step 6: Final answer
x = 1,621,909.64
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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.