Finding the Fourth Proportional to 1,776,430.70, 2,664,646.05 and 1,244,552.30
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Solution
The fourth proportional to 1,776,430.70, 2,664,646.05 and 1,244,552.30 is: 1,866,828.45
Step by Step Solution
- Step 1: Write the proportion equation
1,776,430.70 : 2,664,646.05 = 1,244,552.30 : x - Step 2: Convert to fraction form
1,776,430.70/2,664,646.05 = 1,244,552.30/x - Step 3: Cross multiply
1,776,430.70x = 2,664,646.05 × 1,244,552.30 - Step 4: Simplify right side
1,776,430.70x = 3,316,291,370,213.42 - Step 5: Solve for x
x = 3,316,291,370,213.42/1,776,430.70 - Step 6: Final answer
x = 1,866,828.45
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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.