Home / 1,620,006.40-2,430,009.60-554,953.60

Finding the Fourth Proportional to 1,620,006.40, 2,430,009.60 and 554,953.60

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Solution

The fourth proportional to 1,620,006.40, 2,430,009.60 and 554,953.60 is: 832,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,006.40 : 2,430,009.60 = 554,953.60 : x
  2. Step 2: Convert to fraction form
    1,620,006.40/2,430,009.60 = 554,953.60/x
  3. Step 3: Cross multiply
    1,620,006.40x = 2,430,009.60 × 554,953.60
  4. Step 4: Simplify right side
    1,620,006.40x = 1,348,542,575,554.56
  5. Step 5: Solve for x
    x = 1,348,542,575,554.56/1,620,006.40
  6. Step 6: Final answer
    x = 832,430.40

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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.