Finding the Fourth Proportional to 2,858,506.72, 3,944,746.14 and 1,569,430.18
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Solution
The fourth proportional to 2,858,506.72, 3,944,746.14 and 1,569,430.18 is: 2,165,817.42
Step by Step Solution
- Step 1: Write the proportion equation
2,858,506.72 : 3,944,746.14 = 1,569,430.18 : x - Step 2: Convert to fraction form
2,858,506.72/3,944,746.14 = 1,569,430.18/x - Step 3: Cross multiply
2,858,506.72x = 3,944,746.14 × 1,569,430.18 - Step 4: Simplify right side
2,858,506.72x = 6,191,003,644,554.51 - Step 5: Solve for x
x = 6,191,003,644,554.51/2,858,506.72 - Step 6: Final answer
x = 2,165,817.42
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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.