Finding the Fourth Proportional to 2,918,953.91, 4,028,405.41 and 1,630,043.38
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Solution
The fourth proportional to 2,918,953.91, 4,028,405.41 and 1,630,043.38 is: 2,249,598.92
Step by Step Solution
- Step 1: Write the proportion equation
2,918,953.91 : 4,028,405.41 = 1,630,043.38 : x - Step 2: Convert to fraction form
2,918,953.91/4,028,405.41 = 1,630,043.38/x - Step 3: Cross multiply
2,918,953.91x = 4,028,405.41 × 1,630,043.38 - Step 4: Simplify right side
2,918,953.91x = 6,566,475,570,526.69 - Step 5: Solve for x
x = 6,566,475,570,526.69/2,918,953.91 - Step 6: Final answer
x = 2,249,598.92
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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.