Finding the Fourth Proportional to 2,948,645.70, 4,069,261.99 and 1,659,569.58
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Solution
The fourth proportional to 2,948,645.70, 4,069,261.99 and 1,659,569.58 is: 2,290,279.71
Step by Step Solution
- Step 1: Write the proportion equation
2,948,645.70 : 4,069,261.99 = 1,659,569.58 : x - Step 2: Convert to fraction form
2,948,645.70/4,069,261.99 = 1,659,569.58/x - Step 3: Cross multiply
2,948,645.70x = 4,069,261.99 × 1,659,569.58 - Step 4: Simplify right side
2,948,645.70x = 6,753,223,411,654.27 - Step 5: Solve for x
x = 6,753,223,411,654.27/2,948,645.70 - Step 6: Final answer
x = 2,290,279.71
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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.