Finding the Fourth Proportional to 1,539,831.68, 2,125,014.72 and 860,796.80
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Solution
The fourth proportional to 1,539,831.68, 2,125,014.72 and 860,796.80 is: 1,187,925.86
Step by Step Solution
- Step 1: Write the proportion equation
1,539,831.68 : 2,125,014.72 = 860,796.80 : x - Step 2: Convert to fraction form
1,539,831.68/2,125,014.72 = 860,796.80/x - Step 3: Cross multiply
1,539,831.68x = 2,125,014.72 × 860,796.80 - Step 4: Simplify right side
1,539,831.68x = 1,829,205,870,928.90 - Step 5: Solve for x
x = 1,829,205,870,928.90/1,539,831.68 - Step 6: Final answer
x = 1,187,925.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.