Home / 3,140,240.40-4,710,389.76-865,804.14

Finding the Fourth Proportional to 3,140,240.40, 4,710,389.76 and 865,804.14

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Solution

The fourth proportional to 3,140,240.40, 4,710,389.76 and 865,804.14 is: 1,298,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,140,240.40 : 4,710,389.76 = 865,804.14 : x
  2. Step 2: Convert to fraction form
    3,140,240.40/4,710,389.76 = 865,804.14/x
  3. Step 3: Cross multiply
    3,140,240.40x = 4,710,389.76 × 865,804.14
  4. Step 4: Simplify right side
    3,140,240.40x = 4,078,274,955,221.61
  5. Step 5: Solve for x
    x = 4,078,274,955,221.61/3,140,240.40
  6. Step 6: Final answer
    x = 1,298,714.25

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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.