Finding the Fourth Proportional to 1,869,638.14, 2,580,298.99 and 1,095,919.09
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Solution
The fourth proportional to 1,869,638.14, 2,580,298.99 and 1,095,919.09 is: 1,512,484.61
Step by Step Solution
- Step 1: Write the proportion equation
1,869,638.14 : 2,580,298.99 = 1,095,919.09 : x - Step 2: Convert to fraction form
1,869,638.14/2,580,298.99 = 1,095,919.09/x - Step 3: Cross multiply
1,869,638.14x = 2,580,298.99 × 1,095,919.09 - Step 4: Simplify right side
1,869,638.14x = 2,827,798,910,887.02 - Step 5: Solve for x
x = 2,827,798,910,887.02/1,869,638.14 - Step 6: Final answer
x = 1,512,484.61
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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.