Finding the Fourth Proportional to 1,470,985.42, 2,209,799.80 and 872,339.28
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Solution
The fourth proportional to 1,470,985.42, 2,209,799.80 and 872,339.28 is: 1,310,478.77
Step by Step Solution
- Step 1: Write the proportion equation
1,470,985.42 : 2,209,799.80 = 872,339.28 : x - Step 2: Convert to fraction form
1,470,985.42/2,209,799.80 = 872,339.28/x - Step 3: Cross multiply
1,470,985.42x = 2,209,799.80 × 872,339.28 - Step 4: Simplify right side
1,470,985.42x = 1,927,695,166,476.14 - Step 5: Solve for x
x = 1,927,695,166,476.14/1,470,985.42 - Step 6: Final answer
x = 1,310,478.77
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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.