Finding the Fourth Proportional to 2,596,407.81, 3,891,130.34 and 2,020,726.18
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Solution
The fourth proportional to 2,596,407.81, 3,891,130.34 and 2,020,726.18 is: 3,028,379.79
Step by Step Solution
- Step 1: Write the proportion equation
2,596,407.81 : 3,891,130.34 = 2,020,726.18 : x - Step 2: Convert to fraction form
2,596,407.81/3,891,130.34 = 2,020,726.18/x - Step 3: Cross multiply
2,596,407.81x = 3,891,130.34 × 2,020,726.18 - Step 4: Simplify right side
2,596,407.81x = 7,862,908,942,590.58 - Step 5: Solve for x
x = 7,862,908,942,590.58/2,596,407.81 - Step 6: Final answer
x = 3,028,379.79
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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.