Finding the Fourth Proportional to 1,514,581.68, 2,090,052.36 and 869,547.84
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Solution
The fourth proportional to 1,514,581.68, 2,090,052.36 and 869,547.84 is: 1,199,935.63
Step by Step Solution
- Step 1: Write the proportion equation
1,514,581.68 : 2,090,052.36 = 869,547.84 : x - Step 2: Convert to fraction form
1,514,581.68/2,090,052.36 = 869,547.84/x - Step 3: Cross multiply
1,514,581.68x = 2,090,052.36 × 869,547.84 - Step 4: Simplify right side
1,514,581.68x = 1,817,400,515,124.90 - Step 5: Solve for x
x = 1,817,400,515,124.90/1,514,581.68 - Step 6: Final answer
x = 1,199,935.63
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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.