Home / 1,439,661.60-2,159,492.40-1,418,666.40

Finding the Fourth Proportional to 1,439,661.60, 2,159,492.40 and 1,418,666.40

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Solution

The fourth proportional to 1,439,661.60, 2,159,492.40 and 1,418,666.40 is: 2,127,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,661.60 : 2,159,492.40 = 1,418,666.40 : x
  2. Step 2: Convert to fraction form
    1,439,661.60/2,159,492.40 = 1,418,666.40/x
  3. Step 3: Cross multiply
    1,439,661.60x = 2,159,492.40 × 1,418,666.40
  4. Step 4: Simplify right side
    1,439,661.60x = 3,063,599,308,935.36
  5. Step 5: Solve for x
    x = 3,063,599,308,935.36/1,439,661.60
  6. Step 6: Final answer
    x = 2,127,999.60

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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.