Finding the Fourth Proportional to 1,948,113.12, 2,688,453.84 and 1,088,675.84
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Solution
The fourth proportional to 1,948,113.12, 2,688,453.84 and 1,088,675.84 is: 1,502,404.92
Step by Step Solution
- Step 1: Write the proportion equation
1,948,113.12 : 2,688,453.84 = 1,088,675.84 : x - Step 2: Convert to fraction form
1,948,113.12/2,688,453.84 = 1,088,675.84/x - Step 3: Cross multiply
1,948,113.12x = 2,688,453.84 × 1,088,675.84 - Step 4: Simplify right side
1,948,113.12x = 2,926,854,742,563.23 - Step 5: Solve for x
x = 2,926,854,742,563.23/1,948,113.12 - Step 6: Final answer
x = 1,502,404.92
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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.