Home / 2,075,289.45-2,862,810.32-1,688,537.40

Finding the Fourth Proportional to 2,075,289.45, 2,862,810.32 and 1,688,537.40

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Solution

The fourth proportional to 2,075,289.45, 2,862,810.32 and 1,688,537.40 is: 2,329,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,075,289.45 : 2,862,810.32 = 1,688,537.40 : x
  2. Step 2: Convert to fraction form
    2,075,289.45/2,862,810.32 = 1,688,537.40/x
  3. Step 3: Cross multiply
    2,075,289.45x = 2,862,810.32 × 1,688,537.40
  4. Step 4: Simplify right side
    2,075,289.45x = 4,833,962,285,983.28
  5. Step 5: Solve for x
    x = 4,833,962,285,983.28/2,075,289.45
  6. Step 6: Final answer
    x = 2,329,295.46

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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.