Finding the Fourth Proportional to 1,815,101.60, 2,502,983.58 and 1,203,041.84
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Solution
The fourth proportional to 1,815,101.60, 2,502,983.58 and 1,203,041.84 is: 1,658,967.17
Step by Step Solution
- Step 1: Write the proportion equation
1,815,101.60 : 2,502,983.58 = 1,203,041.84 : x - Step 2: Convert to fraction form
1,815,101.60/2,502,983.58 = 1,203,041.84/x - Step 3: Cross multiply
1,815,101.60x = 2,502,983.58 × 1,203,041.84 - Step 4: Simplify right side
1,815,101.60x = 3,011,193,971,572.99 - Step 5: Solve for x
x = 3,011,193,971,572.99/1,815,101.60 - Step 6: Final answer
x = 1,658,967.17
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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.