Finding the Fourth Proportional to 4,121,347.80, 6,177,658.52 and 1,386,291.51
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Solution
The fourth proportional to 4,121,347.80, 6,177,658.52 and 1,386,291.51 is: 2,077,969.63
Step by Step Solution
- Step 1: Write the proportion equation
4,121,347.80 : 6,177,658.52 = 1,386,291.51 : x - Step 2: Convert to fraction form
4,121,347.80/6,177,658.52 = 1,386,291.51/x - Step 3: Cross multiply
4,121,347.80x = 6,177,658.52 × 1,386,291.51 - Step 4: Simplify right side
4,121,347.80x = 8,564,035,561,420.89 - Step 5: Solve for x
x = 8,564,035,561,420.89/4,121,347.80 - Step 6: Final answer
x = 2,077,969.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.