Finding the Fourth Proportional to 7,140,298.68, 10,710,792.36 and 2,347,881.84
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Solution
The fourth proportional to 7,140,298.68, 10,710,792.36 and 2,347,881.84 is: 3,521,935.99
Step by Step Solution
- Step 1: Write the proportion equation
7,140,298.68 : 10,710,792.36 = 2,347,881.84 : x - Step 2: Convert to fraction form
7,140,298.68/10,710,792.36 = 2,347,881.84/x - Step 3: Cross multiply
7,140,298.68x = 10,710,792.36 × 2,347,881.84 - Step 4: Simplify right side
7,140,298.68x = 25,147,674,874,054.74 - Step 5: Solve for x
x = 25,147,674,874,054.74/7,140,298.68 - Step 6: Final answer
x = 3,521,935.99
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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.