Finding the Fourth Proportional to 1,518,626.79, 2,095,748.70 and 839,607.03
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Solution
The fourth proportional to 1,518,626.79, 2,095,748.70 and 839,607.03 is: 1,158,681.88
Step by Step Solution
- Step 1: Write the proportion equation
1,518,626.79 : 2,095,748.70 = 839,607.03 : x - Step 2: Convert to fraction form
1,518,626.79/2,095,748.70 = 839,607.03/x - Step 3: Cross multiply
1,518,626.79x = 2,095,748.70 × 839,607.03 - Step 4: Simplify right side
1,518,626.79x = 1,759,605,331,154.62 - Step 5: Solve for x
x = 1,759,605,331,154.62/1,518,626.79 - Step 6: Final answer
x = 1,158,681.88
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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.