Finding the Fourth Proportional to 6,917,830.68, 9,549,153.84 and 4,164,646.20
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Solution
The fourth proportional to 6,917,830.68, 9,549,153.84 and 4,164,646.20 is: 5,748,745.39
Step by Step Solution
- Step 1: Write the proportion equation
6,917,830.68 : 9,549,153.84 = 4,164,646.20 : x - Step 2: Convert to fraction form
6,917,830.68/9,549,153.84 = 4,164,646.20/x - Step 3: Cross multiply
6,917,830.68x = 9,549,153.84 × 4,164,646.20 - Step 4: Simplify right side
6,917,830.68x = 39,768,847,252,971.41 - Step 5: Solve for x
x = 39,768,847,252,971.41/6,917,830.68 - Step 6: Final answer
x = 5,748,745.39
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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.