Finding the Fourth Proportional to 1,563,165.80, 2,157,395.35 and 900,748.79
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Solution
The fourth proportional to 1,563,165.80, 2,157,395.35 and 900,748.79 is: 1,243,163.87
Step by Step Solution
- Step 1: Write the proportion equation
1,563,165.80 : 2,157,395.35 = 900,748.79 : x - Step 2: Convert to fraction form
1,563,165.80/2,157,395.35 = 900,748.79/x - Step 3: Cross multiply
1,563,165.80x = 2,157,395.35 × 900,748.79 - Step 4: Simplify right side
1,563,165.80x = 1,943,271,240,277.15 - Step 5: Solve for x
x = 1,943,271,240,277.15/1,563,165.80 - Step 6: Final answer
x = 1,243,163.87
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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.