Home / 2,159,685.40-2,980,697-1,333,240.24

Finding the Fourth Proportional to 2,159,685.40, 2,980,697 and 1,333,240.24

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Solution

The fourth proportional to 2,159,685.40, 2,980,697 and 1,333,240.24 is: 1,840,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159,685.40 : 2,980,697 = 1,333,240.24 : x
  2. Step 2: Convert to fraction form
    2,159,685.40/2,980,697 = 1,333,240.24/x
  3. Step 3: Cross multiply
    2,159,685.40x = 2,980,697 × 1,333,240.24
  4. Step 4: Simplify right side
    2,159,685.40x = 3,973,985,183,647.28
  5. Step 5: Solve for x
    x = 3,973,985,183,647.28/2,159,685.40
  6. Step 6: Final answer
    x = 1,840,075.96

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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.