Home / 1,826,278.40-2,515,038.72-1,316,172.80

Finding the Fourth Proportional to 1,826,278.40, 2,515,038.72 and 1,316,172.80

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Solution

The fourth proportional to 1,826,278.40, 2,515,038.72 and 1,316,172.80 is: 1,812,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,278.40 : 2,515,038.72 = 1,316,172.80 : x
  2. Step 2: Convert to fraction form
    1,826,278.40/2,515,038.72 = 1,316,172.80/x
  3. Step 3: Cross multiply
    1,826,278.40x = 2,515,038.72 × 1,316,172.80
  4. Step 4: Simplify right side
    1,826,278.40x = 3,310,225,554,210.82
  5. Step 5: Solve for x
    x = 3,310,225,554,210.82/1,826,278.40
  6. Step 6: Final answer
    x = 1,812,552.54

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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.