Finding the Fourth Proportional to 5,742,831.84, 7,925,108.64 and 3,329,783.52
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Solution
The fourth proportional to 5,742,831.84, 7,925,108.64 and 3,329,783.52 is: 4,595,101.66
Step by Step Solution
- Step 1: Write the proportion equation
5,742,831.84 : 7,925,108.64 = 3,329,783.52 : x - Step 2: Convert to fraction form
5,742,831.84/7,925,108.64 = 3,329,783.52/x - Step 3: Cross multiply
5,742,831.84x = 7,925,108.64 × 3,329,783.52 - Step 4: Simplify right side
5,742,831.84x = 26,388,896,143,681.61 - Step 5: Solve for x
x = 26,388,896,143,681.61/5,742,831.84 - Step 6: Final answer
x = 4,595,101.66
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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.