Home / 2,130,465.29-2,938,094.96-1,665,380.61

Finding the Fourth Proportional to 2,130,465.29, 2,938,094.96 and 1,665,380.61

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Solution

The fourth proportional to 2,130,465.29, 2,938,094.96 and 1,665,380.61 is: 2,296,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,465.29 : 2,938,094.96 = 1,665,380.61 : x
  2. Step 2: Convert to fraction form
    2,130,465.29/2,938,094.96 = 1,665,380.61/x
  3. Step 3: Cross multiply
    2,130,465.29x = 2,938,094.96 × 1,665,380.61
  4. Step 4: Simplify right side
    2,130,465.29x = 4,893,046,368,395.82
  5. Step 5: Solve for x
    x = 4,893,046,368,395.82/2,130,465.29
  6. Step 6: Final answer
    x = 2,296,703.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.