Finding the Fourth Proportional to 2,953,642.68, 4,430,463.53 and 709,780.68
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Solution
The fourth proportional to 2,953,642.68, 4,430,463.53 and 709,780.68 is: 1,064,670.90
Step by Step Solution
- Step 1: Write the proportion equation
2,953,642.68 : 4,430,463.53 = 709,780.68 : x - Step 2: Convert to fraction form
2,953,642.68/4,430,463.53 = 709,780.68/x - Step 3: Cross multiply
2,953,642.68x = 4,430,463.53 × 709,780.68 - Step 4: Simplify right side
2,953,642.68x = 3,144,657,413,489.70 - Step 5: Solve for x
x = 3,144,657,413,489.70/2,953,642.68 - Step 6: Final answer
x = 1,064,670.90
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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.