Finding the Fourth Proportional to 2,124,381.93, 3,187,514.68 and 1,113,263.49
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Solution
The fourth proportional to 2,124,381.93, 3,187,514.68 and 1,113,263.49 is: 1,670,388.76
Step by Step Solution
- Step 1: Write the proportion equation
2,124,381.93 : 3,187,514.68 = 1,113,263.49 : x - Step 2: Convert to fraction form
2,124,381.93/3,187,514.68 = 1,113,263.49/x - Step 3: Cross multiply
2,124,381.93x = 3,187,514.68 × 1,113,263.49 - Step 4: Simplify right side
2,124,381.93x = 3,548,543,703,547.93 - Step 5: Solve for x
x = 3,548,543,703,547.93/2,124,381.93 - Step 6: Final answer
x = 1,670,388.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.