Finding the Fourth Proportional to 2,408,763.16, 3,323,853.66 and 1,390,495.96
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Solution
The fourth proportional to 2,408,763.16, 3,323,853.66 and 1,390,495.96 is: 1,918,746.17
Step by Step Solution
- Step 1: Write the proportion equation
2,408,763.16 : 3,323,853.66 = 1,390,495.96 : x - Step 2: Convert to fraction form
2,408,763.16/3,323,853.66 = 1,390,495.96/x - Step 3: Cross multiply
2,408,763.16x = 3,323,853.66 × 1,390,495.96 - Step 4: Simplify right side
2,408,763.16x = 4,621,805,085,861.21 - Step 5: Solve for x
x = 4,621,805,085,861.21/2,408,763.16 - Step 6: Final answer
x = 1,918,746.17
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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.