Finding the Fourth Proportional to 1,536,332.68, 2,119,633.41 and 992,788.66
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Solution
The fourth proportional to 1,536,332.68, 2,119,633.41 and 992,788.66 is: 1,369,721.57
Step by Step Solution
- Step 1: Write the proportion equation
1,536,332.68 : 2,119,633.41 = 992,788.66 : x - Step 2: Convert to fraction form
1,536,332.68/2,119,633.41 = 992,788.66/x - Step 3: Cross multiply
1,536,332.68x = 2,119,633.41 × 992,788.66 - Step 4: Simplify right side
1,536,332.68x = 2,104,348,012,805.13 - Step 5: Solve for x
x = 2,104,348,012,805.13/1,536,332.68 - Step 6: Final answer
x = 1,369,721.57
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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.