Finding the Fourth Proportional to 4,842,277.60, 7,262,638.80 and 1,475,701.60
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Solution
The fourth proportional to 4,842,277.60, 7,262,638.80 and 1,475,701.60 is: 2,213,315.42
Step by Step Solution
- Step 1: Write the proportion equation
4,842,277.60 : 7,262,638.80 = 1,475,701.60 : x - Step 2: Convert to fraction form
4,842,277.60/7,262,638.80 = 1,475,701.60/x - Step 3: Cross multiply
4,842,277.60x = 7,262,638.80 × 1,475,701.60 - Step 4: Simplify right side
4,842,277.60x = 10,717,487,697,382.08 - Step 5: Solve for x
x = 10,717,487,697,382.08/4,842,277.60 - Step 6: Final answer
x = 2,213,315.42
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1.5x scale
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.