Finding the Fourth Proportional to 1,621,023.99, 2,429,543.06 and 909,557.35
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Solution
The fourth proportional to 1,621,023.99, 2,429,543.06 and 909,557.35 is: 1,363,217.80
Step by Step Solution
- Step 1: Write the proportion equation
1,621,023.99 : 2,429,543.06 = 909,557.35 : x - Step 2: Convert to fraction form
1,621,023.99/2,429,543.06 = 909,557.35/x - Step 3: Cross multiply
1,621,023.99x = 2,429,543.06 × 909,557.35 - Step 4: Simplify right side
1,621,023.99x = 2,209,808,749,638.38 - Step 5: Solve for x
x = 2,209,808,749,638.38/1,621,023.99 - Step 6: Final answer
x = 1,363,217.80
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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.