Finding the Fourth Proportional to 1,461,722.68, 2,017,192.26 and 817,178.68
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Solution
The fourth proportional to 1,461,722.68, 2,017,192.26 and 817,178.68 is: 1,127,714.94
Step by Step Solution
- Step 1: Write the proportion equation
1,461,722.68 : 2,017,192.26 = 817,178.68 : x - Step 2: Convert to fraction form
1,461,722.68/2,017,192.26 = 817,178.68/x - Step 3: Cross multiply
1,461,722.68x = 2,017,192.26 × 817,178.68 - Step 4: Simplify right side
1,461,722.68x = 1,648,406,508,333.02 - Step 5: Solve for x
x = 1,648,406,508,333.02/1,461,722.68 - Step 6: Final answer
x = 1,127,714.94
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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.