Finding the Fourth Proportional to 1,625,564.02, 2,243,278.50 and 900,458.70
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Solution
The fourth proportional to 1,625,564.02, 2,243,278.50 and 900,458.70 is: 1,242,633.09
Step by Step Solution
- Step 1: Write the proportion equation
1,625,564.02 : 2,243,278.50 = 900,458.70 : x - Step 2: Convert to fraction form
1,625,564.02/2,243,278.50 = 900,458.70/x - Step 3: Cross multiply
1,625,564.02x = 2,243,278.50 × 900,458.70 - Step 4: Simplify right side
1,625,564.02x = 2,019,979,636,368.16 - Step 5: Solve for x
x = 2,019,979,636,368.16/1,625,564.02 - Step 6: Final answer
x = 1,242,633.09
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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.