Finding the Fourth Proportional to 4,865,973.13, 6,714,923.25 and 2,690,460.55
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Solution
The fourth proportional to 4,865,973.13, 6,714,923.25 and 2,690,460.55 is: 3,712,769.39
Step by Step Solution
- Step 1: Write the proportion equation
4,865,973.13 : 6,714,923.25 = 2,690,460.55 : x - Step 2: Convert to fraction form
4,865,973.13/6,714,923.25 = 2,690,460.55/x - Step 3: Cross multiply
4,865,973.13x = 6,714,923.25 × 2,690,460.55 - Step 4: Simplify right side
4,865,973.13x = 18,066,236,100,402.79 - Step 5: Solve for x
x = 18,066,236,100,402.79/4,865,973.13 - Step 6: Final answer
x = 3,712,769.39
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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.