Finding the Fourth Proportional to 2,148,303.11, 2,964,590.42 and 1,181,430.41
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Solution
The fourth proportional to 2,148,303.11, 2,964,590.42 and 1,181,430.41 is: 1,630,336.63
Step by Step Solution
- Step 1: Write the proportion equation
2,148,303.11 : 2,964,590.42 = 1,181,430.41 : x - Step 2: Convert to fraction form
2,148,303.11/2,964,590.42 = 1,181,430.41/x - Step 3: Cross multiply
2,148,303.11x = 2,964,590.42 × 1,181,430.41 - Step 4: Simplify right side
2,148,303.11x = 3,502,457,254,652.57 - Step 5: Solve for x
x = 3,502,457,254,652.57/2,148,303.11 - Step 6: Final answer
x = 1,630,336.63
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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.