Finding the Fourth Proportional to 1,438,206.84, 2,156,749.61 and 539,158.02
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Solution
The fourth proportional to 1,438,206.84, 2,156,749.61 and 539,158.02 is: 808,526.85
Step by Step Solution
- Step 1: Write the proportion equation
1,438,206.84 : 2,156,749.61 = 539,158.02 : x - Step 2: Convert to fraction form
1,438,206.84/2,156,749.61 = 539,158.02/x - Step 3: Cross multiply
1,438,206.84x = 2,156,749.61 × 539,158.02 - Step 4: Simplify right side
1,438,206.84x = 1,162,828,835,883.83 - Step 5: Solve for x
x = 1,162,828,835,883.83/1,438,206.84 - Step 6: Final answer
x = 808,526.85
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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.