Finding the Fourth Proportional to 1,563,767.04, 2,158,230.60 and 990,860.88
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Solution
The fourth proportional to 1,563,767.04, 2,158,230.60 and 990,860.88 is: 1,367,535.07
Step by Step Solution
- Step 1: Write the proportion equation
1,563,767.04 : 2,158,230.60 = 990,860.88 : x - Step 2: Convert to fraction form
1,563,767.04/2,158,230.60 = 990,860.88/x - Step 3: Cross multiply
1,563,767.04x = 2,158,230.60 × 990,860.88 - Step 4: Simplify right side
1,563,767.04x = 2,138,506,271,558.93 - Step 5: Solve for x
x = 2,138,506,271,558.93/1,563,767.04 - Step 6: Final answer
x = 1,367,535.07
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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.