Finding the Fourth Proportional to 1,518,421.68, 2,095,356.60 and 830,080.44
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Solution
The fourth proportional to 1,518,421.68, 2,095,356.60 and 830,080.44 is: 1,145,475.30
Step by Step Solution
- Step 1: Write the proportion equation
1,518,421.68 : 2,095,356.60 = 830,080.44 : x - Step 2: Convert to fraction form
1,518,421.68/2,095,356.60 = 830,080.44/x - Step 3: Cross multiply
1,518,421.68x = 2,095,356.60 × 830,080.44 - Step 4: Simplify right side
1,518,421.68x = 1,739,314,528,484.90 - Step 5: Solve for x
x = 1,739,314,528,484.90/1,518,421.68 - Step 6: Final answer
x = 1,145,475.30
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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.