Finding the Fourth Proportional to 1,535,905.03, 2,119,549.86 and 856,841.53
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Solution
The fourth proportional to 1,535,905.03, 2,119,549.86 and 856,841.53 is: 1,182,441.82
Step by Step Solution
- Step 1: Write the proportion equation
1,535,905.03 : 2,119,549.86 = 856,841.53 : x - Step 2: Convert to fraction form
1,535,905.03/2,119,549.86 = 856,841.53/x - Step 3: Cross multiply
1,535,905.03x = 2,119,549.86 × 856,841.53 - Step 4: Simplify right side
1,535,905.03x = 1,816,118,345,968.35 - Step 5: Solve for x
x = 1,816,118,345,968.35/1,535,905.03 - Step 6: Final answer
x = 1,182,441.82
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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.