Finding the Fourth Proportional to 1,774,830.49, 2,449,460.68 and 1,029,920.42
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Solution
The fourth proportional to 1,774,830.49, 2,449,460.68 and 1,029,920.42 is: 1,421,403.11
Step by Step Solution
- Step 1: Write the proportion equation
1,774,830.49 : 2,449,460.68 = 1,029,920.42 : x - Step 2: Convert to fraction form
1,774,830.49/2,449,460.68 = 1,029,920.42/x - Step 3: Cross multiply
1,774,830.49x = 2,449,460.68 × 1,029,920.42 - Step 4: Simplify right side
1,774,830.49x = 2,522,749,575,867.94 - Step 5: Solve for x
x = 2,522,749,575,867.94/1,774,830.49 - Step 6: Final answer
x = 1,421,403.11
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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.