Home / 2,688,140.10-4,032,210.15-1,736,357.70

Finding the Fourth Proportional to 2,688,140.10, 4,032,210.15 and 1,736,357.70

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Solution

The fourth proportional to 2,688,140.10, 4,032,210.15 and 1,736,357.70 is: 2,604,536.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,140.10 : 4,032,210.15 = 1,736,357.70 : x
  2. Step 2: Convert to fraction form
    2,688,140.10/4,032,210.15 = 1,736,357.70/x
  3. Step 3: Cross multiply
    2,688,140.10x = 4,032,210.15 × 1,736,357.70
  4. Step 4: Simplify right side
    2,688,140.10x = 7,001,359,141,970.65
  5. Step 5: Solve for x
    x = 7,001,359,141,970.65/2,688,140.10
  6. Step 6: Final answer
    x = 2,604,536.55

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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.