Finding the Fourth Proportional to 1,547,630.99, 2,320,225.57 and 977,811.03
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Solution
The fourth proportional to 1,547,630.99, 2,320,225.57 and 977,811.03 is: 1,465,945.15
Step by Step Solution
- Step 1: Write the proportion equation
1,547,630.99 : 2,320,225.57 = 977,811.03 : x - Step 2: Convert to fraction form
1,547,630.99/2,320,225.57 = 977,811.03/x - Step 3: Cross multiply
1,547,630.99x = 2,320,225.57 × 977,811.03 - Step 4: Simplify right side
1,547,630.99x = 2,268,742,137,943.85 - Step 5: Solve for x
x = 2,268,742,137,943.85/1,547,630.99 - Step 6: Final answer
x = 1,465,945.15
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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.