Finding the Fourth Proportional to 1,617,695.76, 2,232,617.85 and 929,366.31
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Solution
The fourth proportional to 1,617,695.76, 2,232,617.85 and 929,366.31 is: 1,282,639.09
Step by Step Solution
- Step 1: Write the proportion equation
1,617,695.76 : 2,232,617.85 = 929,366.31 : x - Step 2: Convert to fraction form
1,617,695.76/2,232,617.85 = 929,366.31/x - Step 3: Cross multiply
1,617,695.76x = 2,232,617.85 × 929,366.31 - Step 4: Simplify right side
1,617,695.76x = 2,074,919,817,781.83 - Step 5: Solve for x
x = 2,074,919,817,781.83/1,617,695.76 - Step 6: Final answer
x = 1,282,639.09
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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.