Home / 2,430,603.80-3,645,905.70-2,157,666.20

Finding the Fourth Proportional to 2,430,603.80, 3,645,905.70 and 2,157,666.20

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Solution

The fourth proportional to 2,430,603.80, 3,645,905.70 and 2,157,666.20 is: 3,236,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430,603.80 : 3,645,905.70 = 2,157,666.20 : x
  2. Step 2: Convert to fraction form
    2,430,603.80/3,645,905.70 = 2,157,666.20/x
  3. Step 3: Cross multiply
    2,430,603.80x = 3,645,905.70 × 2,157,666.20
  4. Step 4: Simplify right side
    2,430,603.80x = 7,866,647,497,277.34
  5. Step 5: Solve for x
    x = 7,866,647,497,277.34/2,430,603.80
  6. Step 6: Final answer
    x = 3,236,499.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.