Finding the Fourth Proportional to 1,630,860.40, 2,250,639.84 and 905,716.81
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Solution
The fourth proportional to 1,630,860.40, 2,250,639.84 and 905,716.81 is: 1,249,918.35
Step by Step Solution
- Step 1: Write the proportion equation
1,630,860.40 : 2,250,639.84 = 905,716.81 : x - Step 2: Convert to fraction form
1,630,860.40/2,250,639.84 = 905,716.81/x - Step 3: Cross multiply
1,630,860.40x = 2,250,639.84 × 905,716.81 - Step 4: Simplify right side
1,630,860.40x = 2,038,442,336,343.71 - Step 5: Solve for x
x = 2,038,442,336,343.71/1,630,860.40 - Step 6: Final answer
x = 1,249,918.35
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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.