Finding the Fourth Proportional to 1,416,919.48, 1,955,319.70 and 772,334.08
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Solution
The fourth proportional to 1,416,919.48, 1,955,319.70 and 772,334.08 is: 1,065,805.12
Step by Step Solution
- Step 1: Write the proportion equation
1,416,919.48 : 1,955,319.70 = 772,334.08 : x - Step 2: Convert to fraction form
1,416,919.48/1,955,319.70 = 772,334.08/x - Step 3: Cross multiply
1,416,919.48x = 1,955,319.70 × 772,334.08 - Step 4: Simplify right side
1,416,919.48x = 1,510,160,041,605.38 - Step 5: Solve for x
x = 1,510,160,041,605.38/1,416,919.48 - Step 6: Final answer
x = 1,065,805.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.