Finding the Fourth Proportional to 1,486,384.74, 2,051,142.08 and 841,809.65
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Solution
The fourth proportional to 1,486,384.74, 2,051,142.08 and 841,809.65 is: 1,161,658.31
Step by Step Solution
- Step 1: Write the proportion equation
1,486,384.74 : 2,051,142.08 = 841,809.65 : x - Step 2: Convert to fraction form
1,486,384.74/2,051,142.08 = 841,809.65/x - Step 3: Cross multiply
1,486,384.74x = 2,051,142.08 × 841,809.65 - Step 4: Simplify right side
1,486,384.74x = 1,726,671,182,000.31 - Step 5: Solve for x
x = 1,726,671,182,000.31/1,486,384.74 - Step 6: Final answer
x = 1,161,658.31
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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.