Finding the Fourth Proportional to 1,803,135.84, 2,488,394.32 and 1,028,892.48
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Solution
The fourth proportional to 1,803,135.84, 2,488,394.32 and 1,028,892.48 is: 1,419,909.77
Step by Step Solution
- Step 1: Write the proportion equation
1,803,135.84 : 2,488,394.32 = 1,028,892.48 : x - Step 2: Convert to fraction form
1,803,135.84/2,488,394.32 = 1,028,892.48/x - Step 3: Cross multiply
1,803,135.84x = 2,488,394.32 × 1,028,892.48 - Step 4: Simplify right side
1,803,135.84x = 2,560,290,203,122.71 - Step 5: Solve for x
x = 2,560,290,203,122.71/1,803,135.84 - Step 6: Final answer
x = 1,419,909.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.