Home / 1,640,014.40-2,460,021.60-1,006,875.20

Finding the Fourth Proportional to 1,640,014.40, 2,460,021.60 and 1,006,875.20

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Solution

The fourth proportional to 1,640,014.40, 2,460,021.60 and 1,006,875.20 is: 1,510,312.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,014.40 : 2,460,021.60 = 1,006,875.20 : x
  2. Step 2: Convert to fraction form
    1,640,014.40/2,460,021.60 = 1,006,875.20/x
  3. Step 3: Cross multiply
    1,640,014.40x = 2,460,021.60 × 1,006,875.20
  4. Step 4: Simplify right side
    1,640,014.40x = 2,476,934,740,504.32
  5. Step 5: Solve for x
    x = 2,476,934,740,504.32/1,640,014.40
  6. Step 6: Final answer
    x = 1,510,312.80

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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.