Finding the Fourth Proportional to 1,788,072.40, 2,467,526.61 and 972,276.58
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Solution
The fourth proportional to 1,788,072.40, 2,467,526.61 and 972,276.58 is: 1,341,734.45
Step by Step Solution
- Step 1: Write the proportion equation
1,788,072.40 : 2,467,526.61 = 972,276.58 : x - Step 2: Convert to fraction form
1,788,072.40/2,467,526.61 = 972,276.58/x - Step 3: Cross multiply
1,788,072.40x = 2,467,526.61 × 972,276.58 - Step 4: Simplify right side
1,788,072.40x = 2,399,118,333,429.79 - Step 5: Solve for x
x = 2,399,118,333,429.79/1,788,072.40 - Step 6: Final answer
x = 1,341,734.45
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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.