Finding the Fourth Proportional to 1,630,634.49, 2,250,282.66 and 905,479.98
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Solution
The fourth proportional to 1,630,634.49, 2,250,282.66 and 905,479.98 is: 1,249,566.29
Step by Step Solution
- Step 1: Write the proportion equation
1,630,634.49 : 2,250,282.66 = 905,479.98 : x - Step 2: Convert to fraction form
1,630,634.49/2,250,282.66 = 905,479.98/x - Step 3: Cross multiply
1,630,634.49x = 2,250,282.66 × 905,479.98 - Step 4: Simplify right side
1,630,634.49x = 2,037,585,897,971.15 - Step 5: Solve for x
x = 2,037,585,897,971.15/1,630,634.49 - Step 6: Final answer
x = 1,249,566.29
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.