Home / 2,084,547.85-3,127,360.87-1,220,712.30

Finding the Fourth Proportional to 2,084,547.85, 3,127,360.87 and 1,220,712.30

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Solution

The fourth proportional to 2,084,547.85, 3,127,360.87 and 1,220,712.30 is: 1,831,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084,547.85 : 3,127,360.87 = 1,220,712.30 : x
  2. Step 2: Convert to fraction form
    2,084,547.85/3,127,360.87 = 1,220,712.30/x
  3. Step 3: Cross multiply
    2,084,547.85x = 3,127,360.87 × 1,220,712.30
  4. Step 4: Simplify right side
    2,084,547.85x = 3,817,607,869,844.64
  5. Step 5: Solve for x
    x = 3,817,607,869,844.64/2,084,547.85
  6. Step 6: Final answer
    x = 1,831,384.14

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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.