Home / 3,456,006.40-5,184,009.60-931,916.80

Finding the Fourth Proportional to 3,456,006.40, 5,184,009.60 and 931,916.80

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Solution

The fourth proportional to 3,456,006.40, 5,184,009.60 and 931,916.80 is: 1,397,875.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456,006.40 : 5,184,009.60 = 931,916.80 : x
  2. Step 2: Convert to fraction form
    3,456,006.40/5,184,009.60 = 931,916.80/x
  3. Step 3: Cross multiply
    3,456,006.40x = 5,184,009.60 × 931,916.80
  4. Step 4: Simplify right side
    3,456,006.40x = 4,831,065,637,601.28
  5. Step 5: Solve for x
    x = 4,831,065,637,601.28/3,456,006.40
  6. Step 6: Final answer
    x = 1,397,875.20

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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.