Home / 2,913,158.68-4,020,142.38-1,624,009.72

Finding the Fourth Proportional to 2,913,158.68, 4,020,142.38 and 1,624,009.72

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Solution

The fourth proportional to 2,913,158.68, 4,020,142.38 and 1,624,009.72 is: 2,241,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,158.68 : 4,020,142.38 = 1,624,009.72 : x
  2. Step 2: Convert to fraction form
    2,913,158.68/4,020,142.38 = 1,624,009.72/x
  3. Step 3: Cross multiply
    2,913,158.68x = 4,020,142.38 × 1,624,009.72
  4. Step 4: Simplify right side
    2,913,158.68x = 6,528,750,300,903.93
  5. Step 5: Solve for x
    x = 6,528,750,300,903.93/2,913,158.68
  6. Step 6: Final answer
    x = 2,241,124.16

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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.