Finding the Fourth Proportional to 7,427,580.91, 10,249,548.45 and 4,119,562.99
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Solution
The fourth proportional to 7,427,580.91, 10,249,548.45 and 4,119,562.99 is: 5,684,712.29
Step by Step Solution
- Step 1: Write the proportion equation
7,427,580.91 : 10,249,548.45 = 4,119,562.99 : x - Step 2: Convert to fraction form
7,427,580.91/10,249,548.45 = 4,119,562.99/x - Step 3: Cross multiply
7,427,580.91x = 10,249,548.45 × 4,119,562.99 - Step 4: Simplify right side
7,427,580.91x = 42,223,660,458,831.87 - Step 5: Solve for x
x = 42,223,660,458,831.87/7,427,580.91 - Step 6: Final answer
x = 5,684,712.29
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1.5x scale
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.