Finding the Fourth Proportional to 1,518,625.29, 2,095,746.63 and 839,605.53
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Solution
The fourth proportional to 1,518,625.29, 2,095,746.63 and 839,605.53 is: 1,158,679.81
Step by Step Solution
- Step 1: Write the proportion equation
1,518,625.29 : 2,095,746.63 = 839,605.53 : x - Step 2: Convert to fraction form
1,518,625.29/2,095,746.63 = 839,605.53/x - Step 3: Cross multiply
1,518,625.29x = 2,095,746.63 × 839,605.53 - Step 4: Simplify right side
1,518,625.29x = 1,759,600,449,548.13 - Step 5: Solve for x
x = 1,759,600,449,548.13/1,518,625.29 - Step 6: Final answer
x = 1,158,679.81
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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.