Finding the Fourth Proportional to 3,156,317.09, 4,735,177.28 and 1,472,502.05
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Solution
The fourth proportional to 3,156,317.09, 4,735,177.28 and 1,472,502.05 is: 2,209,080.40
Step by Step Solution
- Step 1: Write the proportion equation
3,156,317.09 : 4,735,177.28 = 1,472,502.05 : x - Step 2: Convert to fraction form
3,156,317.09/4,735,177.28 = 1,472,502.05/x - Step 3: Cross multiply
3,156,317.09x = 4,735,177.28 × 1,472,502.05 - Step 4: Simplify right side
3,156,317.09x = 6,972,558,220,875.03 - Step 5: Solve for x
x = 6,972,558,220,875.03/3,156,317.09 - Step 6: Final answer
x = 2,209,080.40
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.