Finding the Fourth Proportional to 2,518,696.87, 3,475,802.98 and 1,430,970.35
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Solution
The fourth proportional to 2,518,696.87, 3,475,802.98 and 1,430,970.35 is: 1,974,739.82
Step by Step Solution
- Step 1: Write the proportion equation
2,518,696.87 : 3,475,802.98 = 1,430,970.35 : x - Step 2: Convert to fraction form
2,518,696.87/3,475,802.98 = 1,430,970.35/x - Step 3: Cross multiply
2,518,696.87x = 3,475,802.98 × 1,430,970.35 - Step 4: Simplify right side
2,518,696.87x = 4,973,771,010,782.73 - Step 5: Solve for x
x = 4,973,771,010,782.73/2,518,696.87 - Step 6: Final answer
x = 1,974,739.82
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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.