Finding the Fourth Proportional to 1,572,860.40, 2,354,215.99 and 813,656.41
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Solution
The fourth proportional to 1,572,860.40, 2,354,215.99 and 813,656.41 is: 1,217,859.47
Step by Step Solution
- Step 1: Write the proportion equation
1,572,860.40 : 2,354,215.99 = 813,656.41 : x - Step 2: Convert to fraction form
1,572,860.40/2,354,215.99 = 813,656.41/x - Step 3: Cross multiply
1,572,860.40x = 2,354,215.99 × 813,656.41 - Step 4: Simplify right side
1,572,860.40x = 1,915,522,930,788.00 - Step 5: Solve for x
x = 1,915,522,930,788.00/1,572,860.40 - Step 6: Final answer
x = 1,217,859.47
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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.