Finding the Fourth Proportional to 1,665,363.68, 2,298,207.84 and 901,416.32
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Solution
The fourth proportional to 1,665,363.68, 2,298,207.84 and 901,416.32 is: 1,243,957.75
Step by Step Solution
- Step 1: Write the proportion equation
1,665,363.68 : 2,298,207.84 = 901,416.32 : x - Step 2: Convert to fraction form
1,665,363.68/2,298,207.84 = 901,416.32/x - Step 3: Cross multiply
1,665,363.68x = 2,298,207.84 × 901,416.32 - Step 4: Simplify right side
1,665,363.68x = 2,071,642,053,727.95 - Step 5: Solve for x
x = 2,071,642,053,727.95/1,665,363.68 - Step 6: Final answer
x = 1,243,957.75
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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.