Home / 1,640,432.40-2,461,037.40-841,837.20

Finding the Fourth Proportional to 1,640,432.40, 2,461,037.40 and 841,837.20

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Solution

The fourth proportional to 1,640,432.40, 2,461,037.40 and 841,837.20 is: 1,262,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,432.40 : 2,461,037.40 = 841,837.20 : x
  2. Step 2: Convert to fraction form
    1,640,432.40/2,461,037.40 = 841,837.20/x
  3. Step 3: Cross multiply
    1,640,432.40x = 2,461,037.40 × 841,837.20
  4. Step 4: Simplify right side
    1,640,432.40x = 2,071,792,833,911.28
  5. Step 5: Solve for x
    x = 2,071,792,833,911.28/1,640,432.40
  6. Step 6: Final answer
    x = 1,262,955.32

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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.