Home / 3,817,009.80-5,725,511.10-977,117.40

Finding the Fourth Proportional to 3,817,009.80, 5,725,511.10 and 977,117.40

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Solution

The fourth proportional to 3,817,009.80, 5,725,511.10 and 977,117.40 is: 1,465,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817,009.80 : 5,725,511.10 = 977,117.40 : x
  2. Step 2: Convert to fraction form
    3,817,009.80/5,725,511.10 = 977,117.40/x
  3. Step 3: Cross multiply
    3,817,009.80x = 5,725,511.10 × 977,117.40
  4. Step 4: Simplify right side
    3,817,009.80x = 5,594,496,519,703.14
  5. Step 5: Solve for x
    x = 5,594,496,519,703.14/3,817,009.80
  6. Step 6: Final answer
    x = 1,465,675.18

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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.