Finding the Fourth Proportional to 1,535,740.76, 2,119,319.77 and 847,412.08
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Solution
The fourth proportional to 1,535,740.76, 2,119,319.77 and 847,412.08 is: 1,169,427.30
Step by Step Solution
- Step 1: Write the proportion equation
1,535,740.76 : 2,119,319.77 = 847,412.08 : x - Step 2: Convert to fraction form
1,535,740.76/2,119,319.77 = 847,412.08/x - Step 3: Cross multiply
1,535,740.76x = 2,119,319.77 × 847,412.08 - Step 4: Simplify right side
1,535,740.76x = 1,795,937,166,269.54 - Step 5: Solve for x
x = 1,795,937,166,269.54/1,535,740.76 - Step 6: Final answer
x = 1,169,427.30
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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.