Home / 1,877,078.66-2,815,617.93-865,901.46

Finding the Fourth Proportional to 1,877,078.66, 2,815,617.93 and 865,901.46

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Solution

The fourth proportional to 1,877,078.66, 2,815,617.93 and 865,901.46 is: 1,298,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,078.66 : 2,815,617.93 = 865,901.46 : x
  2. Step 2: Convert to fraction form
    1,877,078.66/2,815,617.93 = 865,901.46/x
  3. Step 3: Cross multiply
    1,877,078.66x = 2,815,617.93 × 865,901.46
  4. Step 4: Simplify right side
    1,877,078.66x = 2,438,047,676,389.18
  5. Step 5: Solve for x
    x = 2,438,047,676,389.18/1,877,078.66
  6. Step 6: Final answer
    x = 1,298,852.17

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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.