Finding the Fourth Proportional to 1,905,764.24, 2,854,909.08 and 1,105,364.24
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Solution
The fourth proportional to 1,905,764.24, 2,854,909.08 and 1,105,364.24 is: 1,655,878.70
Step by Step Solution
- Step 1: Write the proportion equation
1,905,764.24 : 2,854,909.08 = 1,105,364.24 : x - Step 2: Convert to fraction form
1,905,764.24/2,854,909.08 = 1,105,364.24/x - Step 3: Cross multiply
1,905,764.24x = 2,854,909.08 × 1,105,364.24 - Step 4: Simplify right side
1,905,764.24x = 3,155,714,405,483.30 - Step 5: Solve for x
x = 3,155,714,405,483.30/1,905,764.24 - Step 6: Final answer
x = 1,655,878.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.