Finding the Fourth Proportional to 1,885,843.16, 2,602,518.74 and 1,026,459.08
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Solution
The fourth proportional to 1,885,843.16, 2,602,518.74 and 1,026,459.08 is: 1,416,543.56
Step by Step Solution
- Step 1: Write the proportion equation
1,885,843.16 : 2,602,518.74 = 1,026,459.08 : x - Step 2: Convert to fraction form
1,885,843.16/2,602,518.74 = 1,026,459.08/x - Step 3: Cross multiply
1,885,843.16x = 2,602,518.74 × 1,026,459.08 - Step 4: Simplify right side
1,885,843.16x = 2,671,378,991,543.16 - Step 5: Solve for x
x = 2,671,378,991,543.16/1,885,843.16 - Step 6: Final answer
x = 1,416,543.56
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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.