Finding the Fourth Proportional to 2,973,407.08, 4,103,279.20 and 1,615,289.80
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Solution
The fourth proportional to 2,973,407.08, 4,103,279.20 and 1,615,289.80 is: 2,229,087.66
Step by Step Solution
- Step 1: Write the proportion equation
2,973,407.08 : 4,103,279.20 = 1,615,289.80 : x - Step 2: Convert to fraction form
2,973,407.08/4,103,279.20 = 1,615,289.80/x - Step 3: Cross multiply
2,973,407.08x = 4,103,279.20 × 1,615,289.80 - Step 4: Simplify right side
2,973,407.08x = 6,627,985,038,312.16 - Step 5: Solve for x
x = 6,627,985,038,312.16/2,973,407.08 - Step 6: Final answer
x = 2,229,087.66
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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.