Finding the Fourth Proportional to 4,984,674.09, 7,476,346.80 and 1,390,140.06
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Solution
The fourth proportional to 4,984,674.09, 7,476,346.80 and 1,390,140.06 is: 2,085,024.82
Step by Step Solution
- Step 1: Write the proportion equation
4,984,674.09 : 7,476,346.80 = 1,390,140.06 : x - Step 2: Convert to fraction form
4,984,674.09/7,476,346.80 = 1,390,140.06/x - Step 3: Cross multiply
4,984,674.09x = 7,476,346.80 × 1,390,140.06 - Step 4: Simplify right side
4,984,674.09x = 10,393,169,189,132.81 - Step 5: Solve for x
x = 10,393,169,189,132.81/4,984,674.09 - Step 6: Final answer
x = 2,085,024.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.