Finding the Fourth Proportional to 2,767,032.42, 3,818,509.98 and 1,543,417.21
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Solution
The fourth proportional to 2,767,032.42, 3,818,509.98 and 1,543,417.21 is: 2,129,918.66
Step by Step Solution
- Step 1: Write the proportion equation
2,767,032.42 : 3,818,509.98 = 1,543,417.21 : x - Step 2: Convert to fraction form
2,767,032.42/3,818,509.98 = 1,543,417.21/x - Step 3: Cross multiply
2,767,032.42x = 3,818,509.98 × 1,543,417.21 - Step 4: Simplify right side
2,767,032.42x = 5,893,554,004,354.67 - Step 5: Solve for x
x = 5,893,554,004,354.67/2,767,032.42 - Step 6: Final answer
x = 2,129,918.66
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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.