Finding the Fourth Proportional to 1,535,448.58, 2,118,919.26 and 856,385.08
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Solution
The fourth proportional to 1,535,448.58, 2,118,919.26 and 856,385.08 is: 1,181,811.53
Step by Step Solution
- Step 1: Write the proportion equation
1,535,448.58 : 2,118,919.26 = 856,385.08 : x - Step 2: Convert to fraction form
1,535,448.58/2,118,919.26 = 856,385.08/x - Step 3: Cross multiply
1,535,448.58x = 2,118,919.26 × 856,385.08 - Step 4: Simplify right side
1,535,448.58x = 1,814,610,839,988.64 - Step 5: Solve for x
x = 1,814,610,839,988.64/1,535,448.58 - Step 6: Final answer
x = 1,181,811.53
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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.